>thanks this is something naomi had referred me too as well. i was trying to trim down data that it was supplying actually - more information than i need. So i have found a happy medium editing that program down and adding instead of astackinfo(), rather sys16() so:
>
>STORE 1 TO gnX
>DO WHILE LEN(SYS(16,gnX)) != 0
> ? SYS(16,gnX)
> STORE gnX+1 TO gnX
>ENDDO
>
>***then to find the error line.
>
>PARAMETERS gnBadLine
>? 'Error occurred at line: ' + ALLTRIM(STR(gnBadLine))
>
>
>k

You can get line no with LINENO() function. You would need to build your application with Debug option checked.