> Thanks Helen!
>
> I have done as you advised and still can not get any UDF's to work,
> for example in a trigger I have:
>
> size_interger = strlen(new.product_id);
>
> I receive the error:
>
> -104
> Invalid Token.
> invalid request BLR at offset 63.
> function STRLEN is not defined.
> Module name or entrypoint could not be found.
>
> I have the firebird server loaded at c:\program
> files\firebird\firebird_1_5\bin but my actual database file is
> located in a different directory. Could this be my problem???
>
> Any help would be greatly appreciated, I have been trying to get
> these to work for many days now and am stuck as to what the problem
> is or could be.
>
> Paul

Sorry but have you declared the UDF to the database in question?
Alan