Edit feature on Converted Compendium NPC error

[Former user]

Opened Boar. Edit Relentless feature. Delete bracketed text from name. Close feature

Console errors attached

Does not have this issue when Boar copied to Actors Directory tab

[Kim Mantas]

This is an issue in core foundry. You’ll get the same error if you try to edit an owned item on any character or NPC from inside a compendium.