To fix Rebuild Data errors in QuickBooks, follow these steps: Start QuickBooks and open your company file. Navigate to 'File' > 'Utilities' > 'Rebuild Data.' Follow the on-screen prompts to back up your data. Once the backup is complete, QuickBooks will start the rebuild process. After finishing, go back to 'File' > 'Utilities' and select 'Verify Data' to check for remaining issues. If problems persist, run the QuickBooks File Doctor tool, available for download on the Intuit website, to repair your file and data integrity.
More information click here: Fixes for Common QuickBooks Rebuild Data Errors