The problematic edit:
ModBod rejected the edit with this status:
This edit failed either because an entity it was modifying no longer exists, or the entity can not be modified in this manner anymore.
An artist that is used in the new artist credits has been deleted
In fact the artist Handel does not exist anymore. It has been probably merged by this edit:
but in the rejected edit I changed only track titles not artists or artist credits so it should have not been rejected.