> KDEV01 (Server) Fri Jun 21 09:26:54 2002
>  Access violation.
> The code attempted to access a virtual
> address without privilege to do so.
> This exception will cause the InterBase server
> to terminate abnormally.
>
> Is this likely to be caused by some of my UDF's? (As I was calling a
> stored procedure which calls a blob_substring procedure on the
> database)

That error message was put in specifically in 5.x to capture rogue UDF
errors.

Regards
Paul