Update was terminated in SAP SD Billing

Hi ,

I m  getting following error while creating billing document no in VF01.

Update was terminated

System ID....  

Client.......  

User..... 

Transaction..   VF01

Update key...   B8596FE6526BF1498A10C04A0002658B

Generated....   31.08.2016, 12:03:36

Completed....   31.08.2016, 12:03:36

Error Info...   Application area: VN                  , message no.: 902, no entry found in T100

Please give your suggestion to resolve the same.

Thanks,

Pasumpon Karuppaiah.