media position error(86)

Netbackup Env: Windows Server 2008 R2 + 4 media servers,

IBM Robot, EMC Celera fillers,

Master + Media NB version 7.5.0.7

I am trying to backup some emc filers through NDMP on tapes, IBM robot, we have 3 fillers, 2 are working but this one is not.

I attached the joblog, If you wany any other information please just ask (if you ask for other types of logs please provide location of it)

Error bptm() io_ioctl_ndmp (MTFSF) failed on media id IBM037, drive index 7, return code 18 (NDMP_XDR_DECODE_ERR) (bptm.c.7061)
Error ndmpagent() connection 0000000000AA8970 ndmp_message_process_one failed, status = 18 (NDMP_XDR_DECODE_ERR)     
Error ndmpagent() NDMP backup failed, path = UNKNOWN       
Info bptm() EXITING with status 86 <----------        
Info ndmpagent() done. status: 86: media position error       
end writing
media position error(86

Thank You

//George