There could be a few reasons for Claygent columns giving errors across multiple tables:
1. Performance issues: Try clearing your cache and refreshing your screen.
2. Column processing problems: Delete the affected columns, create fresh ones, and re-map your data.
3. Run options: Try using the "Force Run All Rows" option for the problematic columns.
If these steps don't resolve the issue, you may need more specific troubleshooting. If you need further assistance, please request to talk to a person in this chat.