How to fix the Oracle error RMAN-06748: more than one channel types were allocated?

In this post, you’ll learn more about the Oracle ErrorRMAN-06748: more than one channel types were allocated with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

RMAN-06748: more than one channel types were allocated

Reason for the Error RMAN-06748: more than one channel types were allocated

RECOVERY FILES, RECOVERY AREA or DB_RECOVERY_FILE_DEST option was specified in BACKUP command, but more than one channel types was used and no DEVICE TYPE or CHANNEL option was specified.

How to fix the Error RMAN-06748: more than one channel types were allocated ?

You can fix this error in Oracle by following the below steps

Specify CHANNEL or DEVICE TYPE option and retry the command.