KBHS-07113
Auto allocated buffers required when using RA_FORMAT=TRUE.
Cause
When RA_FORMAT=TRUE is set, auto allocated buffers are required.
Action
When RA_FORMAT=TRUE is set, multiple settings can cause this error. RMAN parameter COPIES set to a value greater than 1 and/or system parameter "backup_tape_io_slaves=true deferred" cause auto allocated buffers to be set to FALSE. Either remove RA_FORMAT=TRUE or remove all of the other settings.