Oracle Solution for Error ora-23308

Solution for Oracle Error ORA-23308

ORA-23308: object string.string does not exist or is invalid

What triggered the Error:

e given name was null or misspelled, the given type was wrong, the object does not exist as a valid database object, or the object does not exist as a replicated object with the appropriate status.

What should we do to fix it:

sure the object is valid in the database, is visible to the user, and, if appropriate, is a valid object in all_repobject.