Issue migrated from Redmine: https://redmine.postgresql.org/issues/7709
Originally created by Nikhil Mohite at 2022-09-14 05:49:11 UTC.

Steps:

1. Generate ERD for a database having few tables.
2. Try to add a new column to an existing table.
3. Go to edit column -> Variables tab -> Add variable
4. Click on the Save button.
5. Getting error Cannot read properties of undefined (reading 'getLinks') __
6. But the column is getting added even getting error on the dialog and the dialog is not getting closed