GetInstanceName failed for the BCol of type BOSALESDOCGEN

Hi,

i am successful in Generate changes but i am getting the error message in Analzyer

tool when i am opening thet perticular tile set.

Error, BOL, , , , GetInstanceName failed for the BCol of type BOSALESDOCGEN. ; Exception Message - "Value of the argument should be greater than 0

Parameter name: rowIndex

Actual value was 0.";

Stack Trace:

at SAP.MT.FW.BLL.Core.BusinessCollectionCore.GetInstanceName(Object rowIndex)

i have searched in that perticular BO but nothing is helped.

please help me to over come this problem.

Thanks in advance,

Ranjeet