Oracle® Database 11g / 12c / 18c error codes ORA-12352: object [string].[string]@[string] is invalid

ORA-12352: object [string].[string]@[string] is invalid

Oracle Error Code: ORA-12352

Cause: An attempt was made to reference (compile against) an object of a secondary database but the object is invalid and the system cannot validate or recompile it because it is in a secondary database.

Action: Manually recompile the invalid object in the secondary database.