Error code 84 when duplication from Puredisk Diskpool a to b

I receiving this error code after i have upgrade NBU master from 6.5.6 to NBU 7.5 with Puredisk 6.6.1 x 2 .

Before the upgrade of netbackup master , the duplication from diskpool a to b is working fine using SLP policy.

please advise.

5/15/2013 7:44:30 PM - Info Duplicate(pid=3053) Initiating optimized duplication from @aaaaf to @aaaah     

5/15/2013 7:44:32 PM - Info bpdm(pid=5853) started           

5/15/2013 7:44:32 PM - started process bpdm (5853)

5/15/2013 7:44:33 PM - Info bpdm(pid=5853) requesting nbjm for media        

5/15/2013 7:46:41 PM - Critical bpdm(pid=5853) sts_copy_extent failed: error 2060016 operation not supported     

5/15/2013 7:44:30 PM - Info Duplicate(pid=3053) Initiating optimized duplication from @aaaag to @aaaal     

5/15/2013 7:44:32 PM - Info bpdm(pid=5853) started           

5/15/2013 7:44:32 PM - started process bpdm (5853)

5/15/2013 7:44:33 PM - Info bpdm(pid=5853) requesting nbjm for media        

5/15/2013 7:46:41 PM - Critical bpdm(pid=5853) sts_copy_extent failed: error 2060016 operation not supported     

media write error(84)