运行nodeJS应用程序和express（pino）时观察到意外的令牌'％'

Question

我无法识别下面显示的错误的根本原因。运行节点服务器时经常会出现错误。一旦我重新启动节点服务器，应用程序就会正常运行而没有任何问题。

1。我想知道是什么导致出现此错误

2。开发人员可以解决哪些问题

错误：

SyntaxError: Unexpected token %
    at EventEmitter.Pino (/code/node_modules/pino/pino.js:144:19)
    at EventEmitter.child (/code/node_modules/pino/pino.js:284:10)
    at loggingMiddleware (/code/node_modules/pino-http/logger.js:45:32)
    at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/code/node_modules/express/lib/router/index.js:317:13)
    at /code/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/code/node_modules/express/lib/router/index.js:335:12)
    at next (/code/node_modules/express/lib/router/index.js:275:10)
    at /code/node_modules/express-boom/index.js:28:5
    at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/code/node_modules/express/lib/router/index.js:317:13)
    at /code/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/code/node_modules/express/lib/router/index.js:335:12)
    at next (/code/node_modules/express/lib/router/index.js:275:10)
    at expressInit (/code/node_modules/express/lib/middleware/init.js:40:5)
    at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/code/node_modules/express/lib/router/index.js:317:13)
    at /code/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/code/node_modules/express/lib/router/index.js:335:12)
    at next (/code/node_modules/express/lib/router/index.js:275:10)
    at query (/code/node_modules/express/lib/middleware/query.js:45:5)
    at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/code/node_modules/express/lib/router/index.js:317:13)
    at /code/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/code/node_modules/express/lib/router/index.js:335:12)
    at next (/code/node_modules/express/lib/router/index.js:275:10)
    at Function.handle (/code/node_modules/express/lib/router/index.js:174:3)
    at EventEmitter.handle (/code/node_modules/express/lib/application.js:174:10)
    at Server.app (/code/node_modules/express/lib/express.js:39:9)
    at emitTwo (events.js:106:13)
    at Server.emit (events.js:191:7)
    at HTTPParser.parserOnIncoming [as onIncoming] (_http_server.js:546:12)
    at HTTPParser.parserOnHeadersComplete (_http_common.js:99:23)