import _formatMuiErrorMessage from "@mui/utils/formatMuiErrorMessage"; export default function withTheme() { throw new Error(process.env.NODE_ENV !== "production" ? `MUI: withTheme is no longer exported from @mui/material/styles. You have to import it from @mui/styles. See https://mui.com/r/migration-v4/#mui-material-styles for more details.` : _formatMuiErrorMessage(16)); }