Timestamp Extra "On Update Current Timestamp" throws error when selected

[jcc2010]

• Sequel Ace Version (including build number): 3.2.3 - 3024
• Sequel Ace Source (App Store/GitHub/Homebrew): App Store
• macOS Version: 11.2.3
• Processor Type (Intel/Apple): Intel
• MySQL Version: 5.7.30
• macOS Localization:

Is Issue Present in Latest Beta?

Description When adding a timestamp field in structure, you can't select the "On Update Current Timestamp" option without an error. If you make the field to not allow NULLs, it will select automatically.

Steps To Reproduce

1. Create timestamp field
2. Select On Update Current Timestamp and try to accept, and you will get "Error changing field"

Expected Behaviour

Should be able to select and the default fill.

Related Issues

I did a cursory glance.

Additional Context