Mui X Missing License Key Remove -

- import DataGridPremium from '@mui/x-data-grid-premium'; + import DataGrid from '@mui/x-data-grid'; And remove any premium features from your grid. (not recommended) // Temporarily mute the error const originalError = console.error; console.error = (...args) => if (args[0]?.includes('MUI X license key')) return; originalError(...args); ; Does not remove the visual watermark. Summary Table | Situation | Solution | |-----------|----------| | Using only free features | Remove premium props & set license to '' | | Have a valid license | LicenseInfo.setLicenseKey('key') | | Want to buy a license | MUI X Store | | Remove completely | Switch to @mui/x-data-grid (free) | | Just hide for dev | Use 'demo' key (not for production) | If you need help identifying which premium feature is triggering the license error, share your grid code and I’ll point it out.

⚠️ if you actually use premium features. 2. Using MUI X Pro or Premium (with a valid license) ✅ Add your license key correctly: import LicenseInfo from '@mui/x-data-grid-pro'; LicenseInfo.setLicenseKey('your-license-key-here'); mui x missing license key remove

import LicenseInfo from '@mui/x-data-grid-premium'; LicenseInfo.setLicenseKey(process.env.REACT_APP_MUI_LICENSE_KEY || ''); ⚠️ if you actually use premium features

If you're seeing a error in MUI X (Data Grid, Date Pickers, Charts, Tree View, etc.), it means you’re using a premium MUI X component without a proper commercial license. Then in

Then in .env :

REACT_APP_MUI_LICENSE_KEY=demo ⚠️ This only works in . In production, the watermark will appear unless you have a valid license. 4. Remove MUI X Premium Components Entirely If you don't want to pay for a license: Downgrade to the free version ( @mui/x-data-grid instead of -pro or -premium ): npm uninstall @mui/x-data-grid-pro @mui/x-data-grid-premium npm install @mui/x-data-grid Then replace imports: