TypeError: Cannot read property 'pop' of null
   at onRequestCatchAll (/usr/src/app/node_app/index.js:2539:50)
   at Layer.handle [as handle_request] (/usr/src/app/node_app/node_modules/express/lib/router/layer.js:95:5)
   at next (/usr/src/app/node_app/node_modules/express/lib/router/route.js:144:13)
   at Route.dispatch (/usr/src/app/node_app/node_modules/express/lib/router/route.js:114:3)
   at Layer.handle [as handle_request] (/usr/src/app/node_app/node_modules/express/lib/router/layer.js:95:5)
   at /usr/src/app/node_app/node_modules/express/lib/router/index.js:284:15
   at param (/usr/src/app/node_app/node_modules/express/lib/router/index.js:365:14)
   at param (/usr/src/app/node_app/node_modules/express/lib/router/index.js:376:14)
   at Function.process_params (/usr/src/app/node_app/node_modules/express/lib/router/index.js:421:3)
   at next (/usr/src/app/node_app/node_modules/express/lib/router/index.js:280:10)
   at i18nInit (/usr/src/app/node_app/node_modules/i18n/i18n.js:254:14)
   at Layer.handle [as handle_request] (/usr/src/app/node_app/node_modules/express/lib/router/layer.js:95:5)
   at trim_prefix (/usr/src/app/node_app/node_modules/express/lib/router/index.js:328:13)
   at /usr/src/app/node_app/node_modules/express/lib/router/index.js:286:9
   at Function.process_params (/usr/src/app/node_app/node_modules/express/lib/router/index.js:346:12)
   at next (/usr/src/app/node_app/node_modules/express/lib/router/index.js:280:10)