Object with ID 'xxx' and type 56 (Drill map) is not found in metadata. It may have been deleted.
CAUSE: This is caused due to metadata inconsistency. In order to track down the root cause of the behavior, customers encountering this issue should make note of application-related changes, Object Migrations, or error messages prior to experiencing the problem. Change Journal, if it has been enabled, can help in preserving this information.
In some cases this might caused by an invalid reference in a report object.
ACTION: Contact Strategy Technical Support for assistance in deleting the invalid reference.