ORA-03181
The sequence schema_name.sequence_name on the Oracle Active Data Guard primary database is no longer accessible.
- schema_name: The schema in which the sequence resides.
- sequence_name: The sequence name.
Cause
The Oracle Active Data Guard standby database tried to access the referenced sequence on the primary database and found it was no longer accessible.
This can happen when the sequence on the primary database is dropped, or its access permissions have changed.
Action
Check the sequence and its status on the primary database. Ensure that it exists and is accessible.