Object Reference error when trying to click Incident ObjectMatching in the AdminUI >> Automation Tools >> Object Matching Lists
This can happen in certain situations where the definition is pointed to a form or other object reference that no longer exists.
Here are the steps to rebuild the Incident Object Matching if it has become corrupted:
These instructions should help you find the Object matching setting in the layout / form view for Incident (up to step 8)?
You are looking for this setting:
You'll need to uncheck the box and save to remove it, then get out of the layout, come back in, recheck it and define your object matching settings.
The OOTB settings for Incident look like this:
Each of the subsections for Knowledge are pretty similar. Adjust per knowledge type on the below: