Error In Oracle 8i Backup Need Help!

تم إنشاء هذا البريمج

create script Fri_Backup
{
allocate channel ch1 type disk format '/home2/oracle/backup/%u'; backup
incremental level 0 database;
allocate channel ch2 type disk format '/home2/oracle/backup/%ctl';
backup current controlfile tag='Friday_Backup';
allocate channel ch3 type disk format '/home2/oracle/backup/%arc';
backup archivelog all delete input;
}

من ثم قمت بتنفيذه
فكانت هذه الرسالة
RMAN-03021: executing script: Fri_Backup

RMAN-03022: compiling command: allocate
RMAN-03023: executing command: allocate
RMAN-08030: allocated channel: ch1
RMAN-08500: channel ch1: sid=19 devtype=DISK

RMAN-03022: compiling command: backup
RMAN-03025: performing implicit partial resync of recovery catalog
RMAN-03023: executing command: partial resync
RMAN-08003: starting partial resync of recovery catalog
RMAN-08005: partial resync complete
RMAN-03023: executing command: backup
RMAN-08008: channel ch1: starting incremental level 0 datafile backupset
RMAN-08502: set_count=2 set_stamp=647605452 creation_time=25-FEB-08
RMAN-08010: channel ch1: specifying datafile(s) in backupset
RMAN-08522: input datafile fno=00007 name=/home2/dbs/table_part01.dbf
RMAN-08522: input datafile fno=00002 name=/home/oracle/oradata/khartoum/tools01.dbf
RMAN-08522: input datafile fno=00001 name=/home/oracle/oradata/khartoum/system01.dbf
RMAN-08011: including current controlfile in backupset
RMAN-08522: input datafile fno=00005 name=/home/oracle/oradata/khartoum/users01.dbf
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00601: fatal error in recovery manager
RMAN-03004: fatal error during execution of command
RMAN-10038: database session for channel ch1 terminated unexpectedly