Oracle Message AMD-00101 - cannot create string string; metadata entity already exists

ERRORcannot create string string; metadata entity already exists
CAUSEA metadata entity could not be created, because it already exists in the OLAP Catalog.
ACTIONWhen creating a new metadata entity, specify an entity name that is unique for the entity owner. Refer to the OLAP Catalog union views (named with the OLAP2U prefix) for existing OLAP metadata entity names.