what value is in laArarray when it goes wrong?

>hi,
> again, when i try, it works,i try again iget error message
>Operator/operand type mismatch at line
>

>thisform.text1.value=(RIGHT(STR(YEAR(DATE()),4),2) + '_'+RIGHT(STR(10000+laAarray+1,5),4))+1
>

>thanks
>>Update
>>
>>

>>SELECT 1
>>SELECT MAX(billno) from mstr INTO ARRAY laAarray
>>IF _TALLY > 0
>>thisform.text1.value=(RIGHT(STR(YEAR(DATE()),4),2) + '_'+RIGHT(STR(10000+laAarray+1,5),4))+1
>>ELSE
>>
>>* Here array laAarray does not exist!! But you want to start from 1?
>>
>>THISFORM.TEXT1.VALUE = (RIGHT(STR(YEAR(DATE()),4),2) + '_'+RIGHT(STR(10000+1,5),4))
>>ENDIF
>>