Urgent-error-16055

[ams-jamali]

Hello,
we are using Suselinuxdb, Version :Oracle 9.2
There is a problem in archiving in production database.
The folowing output we found in trace file.
......
Destination LOG_ARCHIVE_DEST_2 is in CLUSTER CONSISTENT mode

Destination LOG_ARCHIVE_DEST_2 is in MAXIMUM PERFORMANCE mode

ORA-19505: failed to identify file "/mnt/backup/arch/ISPRO20/-1063755125_1_12802.arc"
ORA-27037: unable to obtain file status
Linux Error: 2: No such file or directory
Additional information: 3
ORA-16055: FAL request rejected
ORA-19505: failed to identify file "/mnt/backup/arch/ISPRO20/-1063755125_1_12803.arc"
ORA-27037: unable to obtain file status
Linux Error: 2: No such file or directory
Additional information: 3
ORA-16055: FAL request rejected
ORA-19505: failed to identify file "/mnt/backup/arch/ISPRO20/-1063755125_1_12804.arc"
ORA-27037: unable to obtain file status
Linux Error: 2: No such file or directory
Additional information: 3
ORA-16055: FAL request rejected
ORA-19505: failed to identify file "/mnt/backup/arch/ISPRO20/-1063755125_1_12805.arc"
.....
....
So now we moving manually archive files from production to Standby database.It is not moving automatically now.What i have to do?
I have to set right everything properly by this weekend.

Please Help.
Thanks in advance.