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My React Native (0.66.3) app today pops up an error with a stable code which hasn't had any change for quite some time. It is on macOS Big Sur. Here is the error:

 ERROR  TypeError: undefined is not a function, js engine: hermes
Error: ENOENT: no such file or directory, open '/Users/macair/Documents/code/js/xyz_app5/http:/localhost:8081/index.bundle?platform=ios&dev=true&minify=false&modulesOnly=false&runModule=true&app=org.reactjs.native.example.xyz-app5'
    at Object.openSync (fs.js:498:3)
    at Object.readFileSync (fs.js:394:35)
    at getCodeFrame (/Users/macair/Documents/code/js/xyz_app5/node_modules/metro/src/Server.js:919:18)
    at Server._symbolicate (/Users/macair/Documents/code/js/xyz_app5/node_modules/metro/src/Server.js:992:22)
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (internal/process/task_queues.js:95:5)
    at async Server._processRequest (/Users/macair/Documents/code/js/xyz_app5/node_modules/metro/src/Server.js:403:7) {
  errno: -2,
  syscall: 'open',
  code: 'ENOENT',
  path: '/Users/macair/Documents/code/js/xyz_app5/http:/localhost:8081/index.bundle?platform=ios&dev=true&minify=false&modulesOnly=false&runModule=true&app=org.reactjs.native.example.xyz-app5'
}

Here is the error displayed on IOS simulator:

enter image description here

The error seems related to metro in React Native.

user938363
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1 Answers1

0

Reinstall node_modules

 rm -rf node_modules

Clean your cache

 yarn cache clean (or npm cache clean –force)
Gabriel Cecon Carlsen
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