Cannot open device ([6] No such device or address

Hi All,

Backups which triggered by the below is failing remaining all are running fine.

kindly help me how to fix the issue.

[Normal] From: BSM@clesap01.imgworld.org "GRC-Online2"  Time: 3/31/2017 8:51:07 AM
 Backup session 2017/03/31-22 started.

[Normal] From: BSM@clesap01.imgworld.org "GRC-Online2"  Time: 3/31/2017 8:51:08 AM
 OB2BAR application on "clegrcdev1.imgworld.org" successfully started.

[Warning] From: INET_thread_omnisap.exe@clegrcdev1.imgworld.org "clegrcdev1.imgworld.org"  Time: 3/31/2017 8:51:17 AM
 No data for user drcadm@SAP_DRC_LocalAdmin in Inet's impersonation configuration.

BR0051I BRBACKUP 7.00 (32)
BR0055I Start of database backup: bevmrpbr.anf 2017-03-31 08.51.27
BR0484I BRBACKUP log file: D:\oracle\DRC\sapbackup\bevmrpbr.anf
BR0477I Oracle pfile D:\oracle\DRC\102\database\initDRC.ora created from spfile D:\oracle\DRC\102\database\spfileDRC.ora

BR0280I BRBACKUP time stamp: 2017-03-31 08.51.29
BR0319I Control file copy created: D:\oracle\DRC\sapbackup\CNTRLDRC.DBF 32325632

BR0280I BRBACKUP time stamp: 2017-03-31 08.51.29
BR0057I Backup of database: DRC
BR0058I BRBACKUP action ID: bevmrpbr
BR0059I BRBACKUP function ID: anf
BR0110I Backup mode: ALL
BR0077I Database file for backup: D:\oracle\DRC\sapbackup\CNTRLDRC.DBF
BR0061I 22 files found for backup, total size 176250.992 MB
BR0143I Backup type: online
BR0130I Backup device type: util_file
BR0109I Files will be saved by backup utility
BR0126I Unattended mode active - no operator confirmation required

BR0280I BRBACKUP time stamp: 2017-03-31 08.51.29
BR0315I 'Alter database begin backup' successful

BR0280I BRBACKUP time stamp: 2017-03-31 08.51.29
BR0229I Calling backup utility with function 'backup'...
BR0278I Command output of 'D:\usr\sap\DRC\SYS\exe\uc\NTAMD64\backint.exe -u DRC -f backup -i D:\oracle\DRC\sapbackup\.bevmrpbr.lst -t file -c':
[Normal] From: OB2BAR_BACKINT@clegrcdev1.imgworld.org "DRC"  Time: 3/31/2017 8:51:39 AM
 Backint is started with the following parameters:
  D:\usr\sap\DRC\SYS\exe\uc\NTAMD64\backint.exe -u DRC -f backup -i D:\oracle\DRC\sapbackup\.bevmrpbr.lst -t file -c.

[Normal] From: BMA@clesap01.imgworld.org "HP:Ultrium 3-SCSI_2_clesap01"  Time: 3/31/2017 8:52:18 AM
 STARTING Media Agent "HP:Ultrium 3-SCSI_2_clesap01"

[Normal] From: BMA@clesap01.imgworld.org "HP:Ultrium 3-SCSI_2_clesap01"  Time: 3/31/2017 8:52:18 AM
 Detected a replaced drive at "2";
 previous serial number: "", new "HU10716AF4".

[Normal] From: BMA@clesap01.imgworld.org "HP:Ultrium 3-SCSI_2_clesap01"  Time: 3/31/2017 8:52:18 AM
 By: UMA@clesap01.imgworld.org@/dev/rchgr/autoch2
 Loading medium from slot 53 to device /dev/rtape/tape10_BESTn

[Warning] From: BMA@clesap01.imgworld.org "HP:Ultrium 3-SCSI_2_clesap01"  Time: 3/31/2017 9:00:16 AM
 The device "HP:Ultrium 3-SCSI_2_clesap01" could not be opened("Device could not be accessed")

[Normal] From: BMA@clesap01.imgworld.org "HP:Ultrium 3-SCSI_2_clesap01"  Time: 3/31/2017 9:00:16 AM
 Starting the device path discovery process.

[Normal] From: BMA@clesap01.imgworld.org "HP:Ultrium 3-SCSI_2_clesap01"  Time: 3/31/2017 9:00:24 AM
 A new path(s) "/dev/rtape/tape10_BESTn" found for device "HP:Ultrium 3-SCSI_2_clesap01" and stored.

[Normal] From: BMA@clesap01.imgworld.org "HP:Ultrium 3-SCSI_2_clesap01"  Time: 3/31/2017 9:00:24 AM
 Device path discovery process finished.

[Major] From: BMA@clesap01.imgworld.org "HP:Ultrium 3-SCSI_2_clesap01"  Time: 3/31/2017 9:07:14 AM
[90:54]   /dev/rtape/tape10_BESTn
 Cannot open device ([6] No such device or address)

[Normal] From: BMA@clesap01.imgworld.org "HP:Ultrium 3-SCSI_2_clesap01"  Time: 3/31/2017 9:07:14 AM
 By: UMA@clesap01.imgworld.org@/dev/rchgr/autoch2
 Unloading medium to slot 53 from device /dev/rtape/tape10_BESTn

[Normal] From: BMA@clesap01.imgworld.org "HP:Ultrium 3-SCSI_2_clesap01"  Time: 3/31/2017 9:07:34 AM
 ABORTED Media Agent "HP:Ultrium 3-SCSI_2_clesap01"