Help On This Sp, It Should Be PERFECT!!!!

Hi there, could someone tell me what is the wrong with the below SP's CURSOR.I exec this sp through a table when update a filed value like this :
EXECUTE THROUGH TRIGGER
exec SP_ALOCATE_PAT_CREDIT @patid, @creditno, @totalamount, @userid, @sdesc ,@creDate,'C'

When i run execute this sp, I got this error :
ERROR:
Another user has modified the contents of this table or view;the database row you are modifying no longer exists in the database.Databse error: '[Microsoft][ODBC SQL Server Driver][SQL Server]A cursor with the name 'INVOICE_LIST' does not exist.[Microsoft][ODBC SQL Server driver][SQL Server]The statement has terminated.'


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THANX GUYZ, ALREADY SOLVED IT FINALLY:beer: , ON TODAY EARLY MORNING.WELL, I GUES U GUYS R RITE, I NEED MORE PRACTISE BUT I DID GOOD AT THIS STAGE TOO EVENTOUGH IT IS NOT SO STANDARD..HAHA ,THNX ANYWAY, WILL WORK TO BE BETTER! :angel: