Oracle Message ORA-16267 - Cannot instantiate a Logical Standby during a switchover

ERRORCannot instantiate a Logical Standby during a switchover
CAUSEAn instantiation of a Logical Standby has been attempted for a primary database that is in the middle of a switchover.
ACTIONExecute ALTER DATABASE PREPARE TO SWITCHOVER CANCEL to cancel the switchover, and attempt the instantiation again.