The error occurs when it reached the lnStatus = Logger_FileUpload(@lcFileStruc, @lcData) part

John.

>>How do I find out?
>>
>
>I can't see anything; it looks like the code should be correct. It's actually blowing yp at the point that you are doing the DECLARE...DLL; the only thing I can suggest is to try using the FOXTOOLS RegFn() and CallFn() routines to see if they handle it any better, or write a wrapper in VB.