error occurs after hot reload

[memetea]

When I modify something, the hot reload works. But there're errors in development tools.

Uncaught ReferenceError: process is not defined
at Object.4043 (:2:13168)
at r (:2:306599)
at Object.8048 (:2:9496)
at r (:2:306599)
at Object.8641 (:2:1379)
at r (:2:306599)
at :2:315627
at :2:324225
at :2:324229
at HTMLIFrameElement.e.onload (index.js:1)

[nima-dvlp]

Any update I have same error too...

[Jung Jay]

maybe you should try to update 'react-script' to v5

facebook/create-react-app#11773

[yhirose]

The code now uses react-script 5.0.0.