Oracle Solution for Error ora-10452

ORA-10452: Cannot do block media recovery; media recovery session may be in progress

What triggered the Error:

A media recovery, RMAN, or flashback database session may have been in progress when an attempt was made to perform block media recovery on the standby database.

What should we do to fix it:

Check for and cancel any conflicting recovery session and perform block media recovery on the standby database.