VDR error 2246

hello everyone

i have an error when i wanna create a backup

error is :cant access destination  /SCSI-0:1/,error -2246 (wrong destination index found)

i searched and found this topics:

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1015901

http://communities.vmware.com/thread/230153?start=0&tstart=0

Certified Solitare Expert: Vmware data recovery error -2241 ( Destination index invalid/damaged)

but this solutions couldn't help me,

when i run and integrity check, i have this report:

6/16/2013 5:45:16 PM: Starting Integrity Check

6/16/2013 5:45:16 PM: To destination /SCSI-0:1/...

6/16/2013 5:46:22 PM: Starting full integrity check

6/16/2013 5:47:04 PM: Trouble reading from destination, error -2241 ( Destination index invalid/damaged)

6/16/2013 5:47:04 PM: Destination "/SCSI-0:1/" will be locked until integrity check succeeds.

6/16/2013 5:47:04 PM: 1 task errors

6/16/2013 5:47:04 PM: Duration: 00:01:48

anybody can help?