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React @material-ui/core - v4.11.0 - "the createMuiTheme function was renamed to createTheme" console error


My react project only logging this error(console error) when the service on production level. I don't see the following error on my local, but only on production mode.

Material-UI: the createMuiTheme function was renamed to createTheme. You should use `import { createTheme } from '@material-ui/core/styles'`

I found a few articles saying this only happens when anything above v5 of @material-ui/core has been used. However, I'm using v4.11.0 of @material-ui/core which only supports createMuiTheme. Since the version is below v5, I reckon the error should not be shown at any point during runtime.

For those who have any clue regarding this issue, please share. Thank you.


Solution

  • Same goes to me. Probably updated deprecated function name createMuiTheme to createTheme used in ThemeProvider.

    https://github.com/elyra-ai/elyra/pull/1885