我是一名为盲人开发导航应用程序的学生（这一点并不重要）。我尝试完成我的活动（当导航指南完成时）我发现此错误。
08-21 00:36:40.238 18419-18454/? E/Fabric: Unknown error while loading Crashlytics settings. Crashes will be cached until settings can be retrieved.
a.a.a.a.a.e.d$e: java.net.SocketTimeoutException: connect timed out
at a.a.a.a.a.e.d.code(SourceFile:1355)
at a.a.a.a.a.g.l.a(SourceFile:103)
at a.a.a.a.a.g.l.invoke(SourceFile:90)
at a.a.a.a.a.g.j.loadSettingsData(SourceFile:80)
at a.a.a.a.a.g.j.loadSettingsData(SourceFile:64)
at a.a.a.a.a.g.q.loadSettingsData(SourceFile:155)
at a.a.a.a.m.e(SourceFile:123)
at a.a.a.a.m.c(SourceFile:99)
at a.a.a.a.m.b(SourceFile:45)
at a.a.a.a.h.a(SourceFile:63)
at a.a.a.a.h.a(SourceFile:28)
at a.a.a.a.a.c.a$2.call(SourceFile:311)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:428)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
at java.lang.Thread.run(Thread.java:762)
Caused by: java.net.SocketTimeoutException: connect timed out
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:334)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:196)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:356)
at java.net.Socket.connect(Socket.java:586)
at com.android.okhttp.internal.Platform.connectSocket(Platform.java:113)
at com.android.okhttp.Connection.connectSocket(Connection.java:1455)
at com.android.okhttp.Connection.connect(Connection.java:1413)
at com.android.okhttp.Connection.connectAndSetOwner(Connection.java:1700)
at com.android.okhttp.OkHttpClient$1.connectAndSetOwner(OkHttpClient.java:133)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:466)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:371)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:503)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:438)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:567)
at com.android.okhttp.internal.huc.DelegatingHttpsURLConnection.getResponseCode(DelegatingHttpsURLConnection.java:105)
at com.android.okhttp.internal.huc.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java)
at a.a.a.a.a.e.d.code(SourceFile:1353)
at a.a.a.a.a.g.l.a(SourceFile:103)
at a.a.a.a.a.g.l.invoke(SourceFile:90)
at a.a.a.a.a.g.j.loadSettingsData(SourceFile:80)
at a.a.a.a.a.g.j.loadSettingsData(SourceFile:64)
at a.a.a.a.a.g.q.loadSettingsData(SourceFile:155)
at a.a.a.a.m.e(SourceFile:123)
at a.a.a.a.m.c(SourceFile:99)
at a.a.a.a.m.b(SourceFile:45)
at a.a.a.a.h.a(SourceFile:63)
at a.a.a.a.h.a(SourceFile:28)
at a.a.a.a.a.c.a$2.call(SourceFile:311)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:428)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
at java.lang.Thread.run(Thread.java:762)
08-21 00：36：40.244 18419-18460 /？电子邮件/答案：无法检索设置`}
当我调试我的应用程序时，它一直工作到finish（）行。
应用程序进入finish（），接下来就是这样（应用程序停止!!!）。
：（（（
有人告诉我这个错误以及何时出现？