Deleted object would be re-saved by cascade (remove deleted object from associations)

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The solution is to do exactly what the exception message tells you:

Caused by: org.hibernate.ObjectDeletedException: deleted object would be re-saved by cascade (remove deleted object from associations)

Remove the deleted object from an associations (sets, lists, or maps) that it is in. In particular, i suspect, from PlayList.PlaylistadMaps. It’s not enough to just delete the object, you have to remove it from any cascading collections which refer to it.

In fact, since your collection has orphanRemoval = true, you don’t need to delete it explicitly. You just need to remove it from the set.

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