Puredisk 6.6.3 export to Netbackup failing with Error5

Hi,

Im getting below error message when try export data from Puredisk 6.6.3 to Netbackup (tape backup)

please advice the solution

Error: 5: Failed to create an XBSA object
[2013-Jun-16 20:50:04 PDT]Error: 5 : Failed to create an XBSA object
Error: 5: The sequence of calls is incorrect.
[2013-Jun-16 20:50:04 PDT]Error: 5 : The sequence of calls is incorrect.