Oracle Solution for Error ora-16236

Solution for Oracle Error ORA-16236

ORA-16236: Logical Standby metadata operation in progress

What triggered the Error:

The requested operation failed because a Logical Standby metadata operation, such as DBMS_LOGSTDBY.SET_TABLESPACE or DBMS_LOGSTDBY.INSTANTIATE_TABLE, has not finished.

What should we do to fix it:

Wait for the Logical Standby metadata operation to finish, then re-enter or respecify the operation.