Can not take backup in Tape (error coder - 98)

Hi,

SWe have NBU 7.0 on Windows 2008 R2

A Hp tape Library.

Unable to take backup on tape with the error code 98.

I have tried to reinstalll the robot library..same problem..

Below is the error 9While doing label).

8/12/2014 3:47:36 PM - begin Label
8/12/2014 3:47:36 PM - started process bplabel (7548)
8/12/2014 3:47:36 PM - requesting resource test:A00095
8/12/2014 3:47:37 PM - Error nbjm(pid=5728) NBU status: 830, EMM status: No drives are available    
8/12/2014 3:47:39 PM - end Label; elapsed time: 00:00:03
error requesting media (tpreq)(98)

Thanks