import LicenseInfo from '@mui/x-data-grid-premium'; // or pro // Disable license warning (only if you're 100% sure you're using free features only) LicenseInfo.setLicenseKey('');
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 .env :
Place this (e.g., in index.js or App.js ). 3. Remove the Watermark Without a License (Trial/Dev only) If you're just developing locally and want to hide the watermark temporarily:
