TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received undefined
at validateString (internal/validators.js:120:11)
at Object.join (path.js:1039:7)
at noopServiceWorkerMiddleware (/home/developer/student/client/node_modules/react-dev-utils/noopServiceWorkerMiddleware.js:14:26)
at Layer.handle [as handle_request] (/home/developer/student/client/node_modules/express/lib/router/layer.js:95:5)
at trim_prefix (/home/developer/student/client/node_modules/express/lib/router/index.js:317:13)
at /home/developer/student/client/node_modules/express/lib/router/index.js:284:7
at Function.process_params (/home/developer/student/client/node_modules/express/lib/router/index.js:335:12)
at next (/home/developer/student/client/node_modules/express/lib/router/index.js:275:10)
at launchEditorMiddleware (/home/developer/student/client/node_modules/react-dev-utils/errorOverlayMiddleware.js:20:7)
at Layer.handle [as handle_request] (/home/developer/student/client/node_modules/express/lib/router/layer.js:95:5)
at trim_prefix (/home/developer/student/client/node_modules/express/lib/router/index.js:317:13)
at /home/developer/student/client/node_modules/express/lib/router/index.js:284:7
at Function.process_params (/home/developer/student/client/node_modules/express/lib/router/index.js:335:12)
at next (/home/developer/student/client/node_modules/express/lib/router/index.js:275:10)
at handleWebpackInternalMiddleware (/home/developer/student/client/node_modules/react-dev-utils/evalSourceMapMiddleware.js:42:7)
at Layer.handle [as handle_request] (/home/developer/student/client/node_modules/express/lib/router/layer.js:95:5)
TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received undefined at validateString (internal/validators.js:120:11) at Object.join (path.js:1039:7) at noopServiceWorkerMiddleware (/home/developer/student/client/node_modules/react-dev-utils/noopServiceWorkerMiddleware.js:14:26) at Layer.handle [as handle_request] (/home/developer/student/client/node_modules/express/lib/router/layer.js:95:5) at trim_prefix (/home/developer/student/client/node_modules/express/lib/router/index.js:317:13) at /home/developer/student/client/node_modules/express/lib/router/index.js:284:7 at Function.process_params (/home/developer/student/client/node_modules/express/lib/router/index.js:335:12) at next (/home/developer/student/client/node_modules/express/lib/router/index.js:275:10) at launchEditorMiddleware (/home/developer/student/client/node_modules/react-dev-utils/errorOverlayMiddleware.js:20:7) at Layer.handle [as handle_request] (/home/developer/student/client/node_modules/express/lib/router/layer.js:95:5) at trim_prefix (/home/developer/student/client/node_modules/express/lib/router/index.js:317:13) at /home/developer/student/client/node_modules/express/lib/router/index.js:284:7 at Function.process_params (/home/developer/student/client/node_modules/express/lib/router/index.js:335:12) at next (/home/developer/student/client/node_modules/express/lib/router/index.js:275:10) at handleWebpackInternalMiddleware (/home/developer/student/client/node_modules/react-dev-utils/evalSourceMapMiddleware.js:42:7) at Layer.handle [as handle_request] (/home/developer/student/client/node_modules/express/lib/router/layer.js:95:5)