我们有一个应用程序可以从Google表格中构建自定义演示，而最近却无缘无故出现了应用程序错误。
这是一个Heroku托管的Web应用程序，突然突然停止工作-我们得到了可怕的“应用程序错误”页面，我运行了Heroku日志--tail，下面的代码是响应。我仍在学习代码，可以在调试方面使用一些帮助。任何帮助，不胜感激！
heroku日志--tail
2019-12-23T19:40:17.726542+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=a063412b-2c5f-4f85-8ed4-fc806c5959ff fwd="206.252.197.150" dyno=web.1 connect=0ms service=3ms status=304 bytes=151 protocol=http
2019-12-23T20:52:48.660597+00:00 heroku[router]: at=info method=GET path="/" host=kdemobuilder.herokuapp.com request_id=91f4dc58-438d-4d2d-b876-fae05b7cc22b fwd="45.27.17.230" dyno=web.1 connect=1ms service=6ms status=304 bytes=277 protocol=https
2019-12-23T20:52:48.738118+00:00 heroku[router]: at=info method=GET path="/index.css" host=kdemobuilder.herokuapp.com request_id=830c5c25-de9d-4099-a1fd-21f1b2c717b2 fwd="45.27.17.230" dyno=web.1 connect=1ms service=2ms status=304 bytes=238 protocol=https
2019-12-23T20:52:48.747196+00:00 heroku[router]: at=info method=GET path="/images/btn_google_signin_dark_pressed_web.png" host=kdemobuilder.herokuapp.com request_id=fbb38047-3819-45a5-8f1d-6c95c072ad34 fwd="45.27.17.230" dyno=web.1 connect=0ms service=1ms status=304 bytes=238 protocol=https
2019-12-23T20:52:48.893291+00:00 heroku[router]: at=info method=GET path="/images/kusty.png" host=kdemobuilder.herokuapp.com request_id=563d8984-af76-4e6a-b11c-3229ed0a27f0 fwd="45.27.17.230" dyno=web.1 connect=0ms service=1ms status=304 bytes=238 protocol=https
2019-12-23T20:52:49.017195+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=13abc1a8-c1e2-4f90-8b6b-f0474934e076 fwd="45.27.17.230" dyno=web.1 connect=0ms service=2ms status=304 bytes=151 protocol=https
2019-12-23T20:52:50.131151+00:00 heroku[router]: at=info method=GET path="/demos" host=kdemobuilder.herokuapp.com request_id=4f186590-22bb-44d4-82a0-b479459e85dd fwd="45.27.17.230" dyno=web.1 connect=0ms service=2ms status=302 bytes=267 protocol=https
2019-12-23T20:52:50.168219+00:00 heroku[router]: at=info method=GET path="/auth/google" host=kdemobuilder.herokuapp.com request_id=fca75d35-0041-427b-8c63-8ec8e245f6a8 fwd="45.27.17.230" dyno=web.1 connect=0ms service=3ms status=302 bytes=548 protocol=https
2019-12-23T20:52:50.128914+00:00 app[web.1]: User is unauthenticated
2019-12-23T20:53:06.947566+00:00 heroku[router]: at=info method=GET path="/demos" host=kdemobuilder.herokuapp.com request_id=8fca4bfb-5606-4b94-ab4d-47422f7100c8 fwd="54.147.30.223" dyno=web.1 connect=1ms service=2ms status=304 bytes=151 protocol=http
2019-12-23T20:53:06.910070+00:00 heroku[router]: at=info method=GET path="/auth/google/callback?code=4/ugForNW4OX3keOZ0_TDgrbq1SWVRC1z0l0-GK-pWtEkUNWRXEQW6kfo_7BDR63tX1JmOepdSXtDf8cQWTu6N20Y&scope=email%20profile%20https://www.googleapis.com/auth/spreadsheets%20https://www.googleapis.com/auth/userinfo.email%20https://www.googleapis.com/auth/userinfo.profile%20openid&authuser=0&hd=kustomer.com&session_state=628d1e90a40667046f718be85e2127414ecb5140..b445&prompt=consent" host=kdemobuilder.herokuapp.com request_id=446e74e6-c4cc-43b0-bb3a-7d3613cef6e1 fwd="54.147.30.223" dyno=web.1 connect=1ms service=228ms status=302 bytes=249 protocol=http
2019-12-23T20:53:07.054395+00:00 heroku[router]: at=info method=GET path="/index.css" host=kdemobuilder.herokuapp.com request_id=bf9e5d8b-8355-4cd6-ba37-858881271335 fwd="54.147.30.223" dyno=web.1 connect=1ms service=7ms status=304 bytes=238 protocol=http
2019-12-23T20:53:07.256867+00:00 heroku[router]: at=info method=GET path="/app.js" host=kdemobuilder.herokuapp.com request_id=866032b1-24ab-4136-87ca-741638c90757 fwd="54.147.30.223" dyno=web.1 connect=1ms service=7ms status=304 bytes=237 protocol=http
2019-12-23T20:53:07.435865+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=be7a91f2-8555-4e06-935f-68411fc16fe8 fwd="54.147.30.223" dyno=web.1 connect=1ms service=5ms status=304 bytes=151 protocol=http
2019-12-23T20:53:16.086941+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Registration failed: [object Object]
2019-12-23T20:53:16.086965+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 2)
2019-12-23T20:53:44.551528+00:00 heroku[router]: at=error code=H12 desc="Request timeout" method=GET path="/demos/1OUChykxdQ2WG5aU-r3GulFVMq-nQ7M1jmW7G6VeP-20" host=kdemobuilder.herokuapp.com request_id=4fd50195-16dc-4fa6-adc7-d0609694f219 fwd="54.147.30.223" dyno=web.1 connect=1ms service=30000ms status=503 bytes=0 protocol=http
2019-12-23T20:53:45.024569+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=e9bc0484-bd0b-402c-9e20-0a1dad5ec1c1 fwd="54.147.30.223" dyno=web.1 connect=1ms service=5ms status=304 bytes=151 protocol=http
2019-12-23T21:14:40.786651+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=a9209d16-8914-48dd-8211-f600a2d694f2 fwd="54.147.30.223" dyno=web.1 connect=1ms service=3ms status=304 bytes=151 protocol=http
2019-12-23T21:14:43.284656+00:00 heroku[router]: at=info method=GET path="/demos" host=kdemobuilder.herokuapp.com request_id=e9837fe5-ae4c-4de9-832d-bf5ddefce920 fwd="54.147.30.223" dyno=web.1 connect=1ms service=4ms status=304 bytes=151 protocol=http
2019-12-23T21:14:43.874552+00:00 heroku[router]: at=info method=GET path="/app.js" host=kdemobuilder.herokuapp.com request_id=ea74d1bc-5b42-4c63-8475-7ecbbf47a4e5 fwd="54.147.30.223" dyno=web.1 connect=1ms service=2ms status=304 bytes=237 protocol=http
2019-12-23T21:14:43.876424+00:00 heroku[router]: at=info method=GET path="/index.css" host=kdemobuilder.herokuapp.com request_id=62f1041d-3f2d-4745-9510-1d3fae21ab60 fwd="54.147.30.223" dyno=web.1 connect=1ms service=3ms status=304 bytes=238 protocol=http
2019-12-23T21:14:44.920595+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=2a5451fb-a615-4ab5-a98c-ed427a96b869 fwd="54.147.30.223" dyno=web.1 connect=1ms service=8ms status=304 bytes=151 protocol=http
2019-12-23T21:14:55.604230+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Registration failed: [object Object]
2019-12-23T21:14:55.604367+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 3)
2019-12-23T21:15:24.839399+00:00 heroku[router]: at=error code=H12 desc="Request timeout" method=GET path="/demos/1OUChykxdQ2WG5aU-r3GulFVMq-nQ7M1jmW7G6VeP-20" host=kdemobuilder.herokuapp.com request_id=ba79878b-c617-4cbf-9c5c-00fc1b65add1 fwd="54.147.30.223" dyno=web.1 connect=2ms service=30000ms status=503 bytes=0 protocol=http
2019-12-23T21:15:26.248973+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=8f46c485-f462-4355-b19e-479d75d85a89 fwd="54.147.30.223" dyno=web.1 connect=1ms service=5ms status=304 bytes=151 protocol=http
2019-12-23T21:15:30.391085+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=4845b980-02d5-4750-b485-84db1c72f685 fwd="54.147.30.223" dyno=web.1 connect=1ms service=2ms status=304 bytes=151 protocol=http
2019-12-23T22:07:35.550787+00:00 heroku[router]: at=info method=GET path="/" host=kdemobuilder.herokuapp.com request_id=f3ea731c-89f4-4656-ab59-db639edb781f fwd="100.8.133.115" dyno=web.1 connect=0ms service=2ms status=304 bytes=277 protocol=https
2019-12-23T22:07:35.608859+00:00 heroku[router]: at=info method=GET path="/index.css" host=kdemobuilder.herokuapp.com request_id=cbb001b3-fece-4faf-bbd7-9db9ce4e7f22 fwd="100.8.133.115" dyno=web.1 connect=0ms service=1ms status=304 bytes=238 protocol=https
2019-12-23T22:07:35.845978+00:00 heroku[router]: at=info method=GET path="/images/btn_google_signin_dark_pressed_web.png" host=kdemobuilder.herokuapp.com request_id=5d93b6de-3a0b-4b96-8a85-8601c293b0f3 fwd="100.8.133.115" dyno=web.1 connect=0ms service=2ms status=304 bytes=238 protocol=https
2019-12-23T22:07:35.866155+00:00 heroku[router]: at=info method=GET path="/images/kusty.png" host=kdemobuilder.herokuapp.com request_id=597c2487-e778-43be-940b-39c7fb01d2ff fwd="100.8.133.115" dyno=web.1 connect=1ms service=1ms status=304 bytes=238 protocol=https
2019-12-23T22:07:36.033151+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=a7ce4baf-07c2-4aa4-ab36-6111d6db5b3a fwd="100.8.133.115" dyno=web.1 connect=0ms service=2ms status=304 bytes=151 protocol=https
2019-12-23T22:07:41.006007+00:00 heroku[router]: at=info method=GET path="/demos" host=kdemobuilder.herokuapp.com request_id=e14e3611-8621-4d72-9799-cc071b575812 fwd="100.8.133.115" dyno=web.1 connect=0ms service=2ms status=302 bytes=267 protocol=https
2019-12-23T22:07:41.003954+00:00 app[web.1]: User is unauthenticated
2019-12-23T22:07:41.031980+00:00 heroku[router]: at=info method=GET path="/auth/google" host=kdemobuilder.herokuapp.com request_id=34403cd0-4d7a-4842-bff5-41141898d266 fwd="100.8.133.115" dyno=web.1 connect=3ms service=3ms status=302 bytes=548 protocol=https
2019-12-23T22:07:46.137828+00:00 heroku[router]: at=info method=GET path="/demos" host=kdemobuilder.herokuapp.com request_id=40c9a33f-c255-48af-ba7b-abfefcfc2933 fwd="100.8.133.115" dyno=web.1 connect=1ms service=4ms status=304 bytes=151 protocol=http
2019-12-23T22:07:46.204682+00:00 heroku[router]: at=info method=GET path="/index.css" host=kdemobuilder.herokuapp.com request_id=ef4bf54e-7b33-488b-9dbc-4778e3a99ac9 fwd="100.8.133.115" dyno=web.1 connect=1ms service=3ms status=304 bytes=238 protocol=http
2019-12-23T22:07:46.114736+00:00 heroku[router]: at=info method=GET path="/auth/google/callback?code=4/ugGsLtV9im-LxcblU2MBQVxRDAjg5rmahwnIyvEOjIoz-pXOwk_ER2mE-Y7e2ov8q_5eWiI_rPA5qq8A8ptbfGs&scope=email%20profile%20https://www.googleapis.com/auth/spreadsheets%20https://www.googleapis.com/auth/userinfo.email%20https://www.googleapis.com/auth/userinfo.profile%20openid&authuser=0&hd=kustomer.com&session_state=ab4a7551d836ac6884828ec3c1b5b0260bfe6053..4997&prompt=consent" host=kdemobuilder.herokuapp.com request_id=7afcff45-e923-48d9-a8b5-8354c03ed631 fwd="100.8.133.115" dyno=web.1 connect=1ms service=286ms status=302 bytes=249 protocol=http
2019-12-23T22:07:46.422258+00:00 heroku[router]: at=info method=GET path="/app.js" host=kdemobuilder.herokuapp.com request_id=9739e1f9-9d06-4871-93b1-c667a67023c3 fwd="100.8.133.115" dyno=web.1 connect=1ms service=4ms status=304 bytes=237 protocol=http
2019-12-23T22:07:46.641785+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=620edca3-b05d-4b33-9183-62ff29c4f809 fwd="100.8.133.115" dyno=web.1 connect=1ms service=6ms status=304 bytes=151 protocol=http
2019-12-23T22:08:33.189810+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Registration failed: [object Object]
2019-12-23T22:08:33.189832+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 4)
2019-12-23T22:09:02.775220+00:00 heroku[router]: at=info method=GET path="/" host=kdemobuilder.herokuapp.com request_id=18f24f1e-66b9-4992-87be-8998620b064a fwd="54.147.30.223" dyno=web.1 connect=0ms service=3ms status=304 bytes=151 protocol=https
2019-12-23T22:09:02.843214+00:00 heroku[router]: at=info method=GET path="/index.css" host=kdemobuilder.herokuapp.com request_id=a3ac5ea8-1d83-4695-8da9-1d232823daba fwd="54.147.30.223" dyno=web.1 connect=0ms service=2ms status=304 bytes=238 protocol=https
2019-12-23T22:09:02.996292+00:00 heroku[router]: at=error code=H12 desc="Request timeout" method=GET path="/demos/18Vb7RkDIGpmdtTsUpDV0sD55nhAddP0weCSrlZIW8Qw" host=kdemobuilder.herokuapp.com request_id=c8602d73-f3f4-47b6-943d-3ec6cfcbcd12 fwd="100.8.133.115" dyno=web.1 connect=1ms service=30000ms status=503 bytes=0 protocol=http
2019-12-23T22:09:03.070843+00:00 heroku[router]: at=info method=GET path="/images/btn_google_signin_dark_pressed_web.png" host=kdemobuilder.herokuapp.com request_id=7d793d52-10bf-4cf9-a420-27d43dae1bf9 fwd="54.147.30.223" dyno=web.1 connect=0ms service=3ms status=304 bytes=238 protocol=https
2019-12-23T22:09:03.105537+00:00 heroku[router]: at=info method=GET path="/images/kusty.png" host=kdemobuilder.herokuapp.com request_id=94d8e74f-dd8f-4131-b52c-8deb467e9b0a fwd="54.147.30.223" dyno=web.1 connect=1ms service=2ms status=304 bytes=238 protocol=https
2019-12-23T22:09:03.258371+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=866f3340-ae01-4e0a-a1d1-f4bea0c5945b fwd="54.147.30.223" dyno=web.1 connect=0ms service=4ms status=304 bytes=151 protocol=https
2019-12-23T22:09:05.048658+00:00 heroku[router]: at=info method=GET path="/index.css" host=kdemobuilder.herokuapp.com request_id=9451edb7-45af-438b-8f00-94e396627c59 fwd="54.147.30.223" dyno=web.1 connect=0ms service=2ms status=304 bytes=238 protocol=https
2019-12-23T22:09:04.991335+00:00 heroku[router]: at=info method=GET path="/demos" host=kdemobuilder.herokuapp.com request_id=901b46d5-d05a-4c4b-8d32-466b768cafc7 fwd="54.147.30.223" dyno=web.1 connect=1ms service=3ms status=200 bytes=2403 protocol=https
2019-12-23T22:09:05.049156+00:00 heroku[router]: at=info method=GET path="/app.js" host=kdemobuilder.herokuapp.com request_id=3ccd5bc1-0f1f-4972-b581-067865a4eaad fwd="54.147.30.223" dyno=web.1 connect=0ms service=2ms status=304 bytes=237 protocol=https
2019-12-23T22:09:05.204972+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=84215b84-90b7-4acd-ab39-4a43ddbff51e fwd="54.147.30.223" dyno=web.1 connect=0ms service=2ms status=304 bytes=151 protocol=https
2019-12-23T22:09:06.763573+00:00 heroku[router]: at=info method=GET path="/" host=kdemobuilder.herokuapp.com request_id=c7f5aab2-43c1-4871-92b5-a98d2ddfc8da fwd="54.147.30.223" dyno=web.1 connect=0ms service=2ms status=304 bytes=151 protocol=https
2019-12-23T22:09:06.849883+00:00 heroku[router]: at=info method=GET path="/images/btn_google_signin_dark_pressed_web.png" host=kdemobuilder.herokuapp.com request_id=5ac95338-2c80-404a-a7d3-ba28cfadd6cd fwd="54.147.30.223" dyno=web.1 connect=0ms service=1ms status=304 bytes=238 protocol=https
2019-12-23T22:09:06.839928+00:00 heroku[router]: at=info method=GET path="/index.css" host=kdemobuilder.herokuapp.com request_id=e2aa1e00-0646-4bae-b3ec-4cc1700bedfb fwd="54.147.30.223" dyno=web.1 connect=0ms service=2ms status=304 bytes=238 protocol=https
2019-12-23T22:09:06.732314+00:00 heroku[router]: at=info method=GET path="/logout" host=kdemobuilder.herokuapp.com request_id=762c7efc-9113-4c3f-850f-5f1b934c3a62 fwd="54.147.30.223" dyno=web.1 connect=0ms service=3ms status=302 bytes=234 protocol=https
2019-12-23T22:09:06.918322+00:00 heroku[router]: at=info method=GET path="/images/kusty.png" host=kdemobuilder.herokuapp.com request_id=39d6f60d-3656-46ff-939e-53fb5bd20fd2 fwd="54.147.30.223" dyno=web.1 connect=0ms service=1ms status=304 bytes=238 protocol=https
2019-12-23T22:09:06.977882+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=8323bc37-dc10-43a8-962d-258dca11b64d fwd="54.147.30.223" dyno=web.1 connect=0ms service=1ms status=304 bytes=151 protocol=https
2019-12-23T22:09:07.499933+00:00 heroku[router]: at=info method=GET path="/demos" host=kdemobuilder.herokuapp.com request_id=15f5cdac-27c3-4a26-844a-0982f0f211ab fwd="54.147.30.223" dyno=web.1 connect=0ms service=2ms status=302 bytes=267 protocol=https
2019-12-23T22:09:07.519715+00:00 heroku[router]: at=info method=GET path="/auth/google" host=kdemobuilder.herokuapp.com request_id=6187d489-9f5d-4f69-ab44-981d48bb5ef5 fwd="54.147.30.223" dyno=web.1 connect=0ms service=1ms status=302 bytes=548 protocol=https
2019-12-23T22:09:07.498293+00:00 app[web.1]: User is unauthenticated
2019-12-23T22:10:03.937605+00:00 heroku[router]: at=info method=GET path="/demos" host=kdemobuilder.herokuapp.com request_id=297f11bd-f66b-4fd6-a8a5-34c2a4f33c2c fwd="54.147.30.223" dyno=web.1 connect=0ms service=2ms status=304 bytes=151 protocol=http
2019-12-23T22:10:03.918840+00:00 heroku[router]: at=info method=GET path="/auth/google/callback?code=4/ugEMaM5qi3YYw2bK7PD6wklIKT0NYNNxvs4Wpg8kV57PUmcLHNrv3KX4oeEAlQYCO3h9LJJiAhguQFclU-Sj0jc&scope=email%20profile%20https://www.googleapis.com/auth/spreadsheets%20https://www.googleapis.com/auth/userinfo.email%20https://www.googleapis.com/auth/userinfo.profile%20openid&authuser=0&hd=kustomer.com&session_state=ff9949bb3a6c718bc64129ec0f73ac0615d62b2c..583b&prompt=consent" host=kdemobuilder.herokuapp.com request_id=ae57da05-5c78-4880-95d8-a47bd3d58769 fwd="54.147.30.223" dyno=web.1 connect=0ms service=227ms status=302 bytes=249 protocol=http
2019-12-23T22:10:04.007437+00:00 heroku[router]: at=info method=GET path="/index.css" host=kdemobuilder.herokuapp.com request_id=383be0d3-8ad4-436d-89ea-54c95367ba09 fwd="54.147.30.223" dyno=web.1 connect=0ms service=3ms status=304 bytes=238 protocol=http
2019-12-23T22:10:04.249554+00:00 heroku[router]: at=info method=GET path="/app.js" host=kdemobuilder.herokuapp.com request_id=ddd4966c-fb71-4097-82c5-84eae1c45e07 fwd="54.147.30.223" dyno=web.1 connect=0ms service=6ms status=304 bytes=237 protocol=http
2019-12-23T22:10:04.717955+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=33257173-8cea-4089-85de-6a32622f0997 fwd="54.147.30.223" dyno=web.1 connect=0ms service=4ms status=304 bytes=151 protocol=http
2019-12-23T22:10:13.129680+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Registration failed: [object Object]
2019-12-23T22:10:13.129749+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 5)
2019-12-23T22:10:42.554215+00:00 heroku[router]: at=error code=H12 desc="Request timeout" method=GET path="/demos/18Vb7RkDIGpmdtTsUpDV0sD55nhAddP0weCSrlZIW8Qw" host=kdemobuilder.herokuapp.com request_id=50ce5608-e1e6-4cd3-974a-03fef748e7ea fwd="54.147.30.223" dyno=web.1 connect=0ms service=30000ms status=503 bytes=0 protocol=http
2019-12-23T22:10:43.099016+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=9c845bbd-c360-4ebb-8f40-605b6fde206a fwd="54.147.30.223" dyno=web.1 connect=0ms service=2ms status=304 bytes=151 protocol=http
2019-12-23T22:10:44.696253+00:00 heroku[router]: at=info method=GET path="/demos" host=kdemobuilder.herokuapp.com request_id=efb818ec-506a-4817-b04e-f1582d65781a fwd="54.147.30.223" dyno=web.1 connect=1ms service=6ms status=200 bytes=2403 protocol=https
2019-12-23T22:10:44.797694+00:00 heroku[router]: at=info method=GET path="/index.css" host=kdemobuilder.herokuapp.com request_id=84936629-4380-4233-85f9-95c3c3244a15 fwd="54.147.30.223" dyno=web.1 connect=1ms service=2ms status=304 bytes=238 protocol=https
2019-12-23T22:10:45.012603+00:00 heroku[router]: at=info method=GET path="/app.js" host=kdemobuilder.herokuapp.com request_id=6f4035d6-80d9-4aee-affb-49c653ade6c3 fwd="54.147.30.223" dyno=web.1 connect=1ms service=3ms status=304 bytes=237 protocol=https
2019-12-23T22:10:45.221470+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=kdemobuilder.herokuapp.com request_id=aa8ca091-0cbc-4689-b488-86ed329738a6 fwd="54.147.30.223" dyno=web.1 connect=1ms service=3ms status=304 bytes=151 protocol=https
2019-12-23T22:10:49.567415+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Registration failed: [object Object]
2019-12-23T22:10:49.567556+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 6)
2019-12-23T22:11:11.596487+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Registration failed: [object Object]
2019-12-23T22:11:11.596541+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 7)
2019-12-23T22:11:15.166818+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Registration failed: [object Object]
2019-12-23T22:11:15.166900+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 8)
2019-12-23T22:11:15.757985+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Registration failed: [object Object]
2019-12-23T22:11:15.758025+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 9)
2019-12-23T22:11:15.977222+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Registration failed: [object Object]
2019-12-23T22:11:15.977261+00:00 app[web.1]: (node:4) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 10)
2019-12-23T22:11:19.402656+00:00 heroku[router]: at=error code=H12 desc="Request timeout" method=GET path="/demos/18Vb7RkDIGpmdtTsUpDV0sD55nhAddP0weCSrlZIW8Qw" host=kdemobuilder.herokuapp.com request_id=25ef5e16-73b7-47a7-82fb-02bf3a98ba55 fwd="54.147.30.223" dyno=web.1 connect=1ms service=30006ms status=503 bytes=0 protocol=https
2019-12-23T22:11:39.284213+00:00 heroku[router]: at=error code=H12 desc="Request timeout" method=GET path="/demos/1Bupz3Zvz1YA3OS8JZZO9RxC1Ye0yA8TubUYHJAP0OBY" host=kdemobuilder.herokuapp.com request_id=3631380d-0fcb-419f-b91d-b343ad84772b fwd="54.147.30.223" dyno=web.1 connect=1ms service=30000ms status=503 bytes=0 protocol=https
2019-12-23T22:11:44.859806+00:00 heroku[router]: at=error code=H12 desc="Request timeout" method=GET path="/demos/18Vb7RkDIGpmdtTsUpDV0sD55nhAddP0weCSrlZIW8Qw" host=kdemobuilder.herokuapp.com request_id=bee0652c-5a39-499a-ae6c-7053bd278e28 fwd="54.147.30.223" dyno=web.1 connect=1ms service=30001ms status=503 bytes=0 protocol=https
2019-12-23T22:11:45.532493+00:00 heroku[router]: at=error code=H12 desc="Request timeout" method=GET path="/demos/18Vb7RkDIGpmdtTsUpDV0sD55nhAddP0weCSrlZIW8Qw" host=kdemobuilder.herokuapp.com request_id=54db2984-22bb-4a96-b511-585c88343655 fwd="54.147.30.223" dyno=web.1 connect=1ms service=30001ms status=503 bytes=0 protocol=https
2019-12-23T22:11:45.750465+00:00 heroku[router]: at=error code=H12 desc="Request timeout" method=GET path="/demos/18Vb7RkDIGpmdtTsUpDV0sD55nhAddP0weCSrlZIW8Qw" host=kdemobuilder.herokuapp.com request_id=29ce30f7-2684-4321-9e2c-68c0e81fe259 fwd="54.147.30.223" dyno=web.1 connect=5ms service=30005ms status=503 bytes=0 protocol=https
2019-12-24T20:10:07.498373+00:00 heroku[web.1]: Cycling
2019-12-24T20:10:07.502474+00:00 heroku[web.1]: State changed from up to starting
2019-12-24T20:10:08.512173+00:00 heroku[web.1]: Stopping all processes with SIGTERM
2019-12-24T20:10:08.602340+00:00 heroku[web.1]: Process exited with status 143
2019-12-24T20:10:14.716695+00:00 heroku[web.1]: Starting process with command `node ./dist/server.js`
2019-12-24T20:10:18.037189+00:00 app[web.1]: Warning: connect.session() MemoryStore is not
2019-12-24T20:10:18.037222+00:00 app[web.1]: designed for a production environment, as it will leak
2019-12-24T20:10:18.037224+00:00 app[web.1]: memory, and will not scale past a single process.
2019-12-24T20:10:18.047113+00:00 app[web.1]: Demo builder running
2019-12-24T20:10:18.464617+00:00 heroku[web.1]: State changed from starting to up