Oracle Error Message
ORA-16236: Logical Standby metadata operation in progress
Reason for the Error
The requested operation failed because an incompatible Logical Standby metadata operation such as DBMS_LOGSTDBY.SET_TABLESPACE, DBMS_LOGSTDBY.APPLY_SET or DBMS_LOGSTDBY.INSTANTIATE_TABLE was still running.
Solution
Wait for the incompatible Logical Standby metadata operation to finish, then reenter or respecify the operation.