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

ERRORCannot do block media recovery; media recovery session may be in progress
CAUSEA 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.
ACTIONCheck for and cancel any conflicting recovery session and perform block media recovery on the standby database.