SCS added components pasted from an actor instance in the level editor cannot be deleted from the target Blueprint because the component template has the RF_ArchetypeObject flag.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-175707 in the post.
|Component||UE - Gameplay - Blueprint Editor|
|Created||Jan 31, 2023|
|Updated||Feb 1, 2023|