Isn't the problem that the object has been deleted, and you only got the pointer (id) left?
So the name is probably gone.
Options: restore metadata to a different location, and search.
Or, if this is an "old" job, copy a working version from another environment (prod?).
And for the problem itself it sounds like you have either to high authorization for your users (possibility to delete objects in the wrong place - use Projects repositories as much as possible), or not followed basics processes when deliberately deleting objects (always check for dependencies first!).
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