AF Innovator superbadge challenge #3: unable to delete standard action to be replaced by library "Film" action

Hi Roger, the error in your screenshot indicates that the issue is with the General FAQ topic configuration, specifically the override not being configured correctly. 

For this step, make sure the General FAQ standard topic is configured with the required custom action/prompt template from the challenge, rather than trying to delete the standard action itself. 

I’d recommend going back to Agentforce Builder → General FAQ → Actions/Overrides and verify that the override points to the expected custom action and that the action is configured exactly as specified in the challenge instructions. 

After saving/publishing the changes, create a new version if required and run Check Challenge again.