This task did not complete. Failed to retrieve configuration.

I am trying to  create a driver in NDS and i am successfully able to take a snapshot from NDS. When i upload the driver in HPNA the snapshot fails. It displays the following error message - This task did not complete. Failed to retrieve configuration.

The following task has failed:

  19531: Task Name: Take Snapshot
Device:
Added by:  ()
Start Date: As Soon As Possible
Repeat type: Non-recurring
Status: Failed
Comments: Automatic snapshot after driver update
      
The following task completed:

  19531: Task Name: Take Snapshot
Device:
Added by:  ()
Start Date: As Soon As Possible
Repeat type: Non-recurring
Status: Failed
Comments: Automatic snapshot after driver update
      
Attempt to retrieve data from device failed:


Attempt to retrieve data from device failed:


Retrieve configuration - Failed
Tried: retrieve configuration
(Warning: Failed to retrieve configuration. )
      
The following task was started:

  19531: Task Name: Take Snapshot
Device:
Added by:  ()
Start Date: As Soon As Possible
Repeat type: Non-recurring
Status: Running
Comments: Automatic snapshot after driver update