اختلال در pm2 در اجرای سرور nodejs

چند ساعت بعد از استارت کردن سرور با pm2 این ارور لاگ ها رو دارم .

0|server   |     at Layer.handle [as handle_request] (/root/bipoolii/node_modules/express/lib/router/layer.js:95:5)
0|server   |     at next (/root/bipoolii/node_modules/express/lib/router/route.js:137:13)
0|server   |     at Route.dispatch (/root/bipoolii/node_modules/express/lib/router/route.js:112:3)
0|server   |     at Layer.handle [as handle_request] (/root/bipoolii/node_modules/express/lib/router/layer.js:95:5)
0|server   |     at /root/bipoolii/node_modules/express/lib/router/index.js:281:22
0|server   |     at Function.process_params (/root/bipoolii/node_modules/express/lib/router/index.js:335:12)
0|server   |     at next (/root/bipoolii/node_modules/express/lib/router/index.js:275:10)
0|server   |     at Function.handle (/root/bipoolii/node_modules/express/lib/router/index.js:174:3)
0|server   |     at router (/root/bipoolii/node_modules/express/lib/router/index.js:47:12)
0|server   |     at Layer.handle [as handle_request] (/root/bipoolii/node_modules/express/lib/router/layer.js:95:5)
0|server   |     at trim_prefix (/root/bipoolii/node_modules/express/lib/router/index.js:317:13)
0|server   |     at /root/bipoolii/node_modules/express/lib/router/index.js:284:7
0|server   |     at Function.process_params (/root/bipoolii/node_modules/express/lib/router/index.js:335:12)
0|server   |     at next (/root/bipoolii/node_modules/express/lib/router/index.js:275:10)
0|server   |     at Function.handle (/root/bipoolii/node_modules/express/lib/router/index.js:174:3)