I just wanted to say, that this problem is new. I used the same udf
within the same programm (the same source) a few month ago and it
worked well. I do not exactly know since when it doesn_t work. I
updated to FB 1.5 in the last time, and maybe that causes the problem.

Today I changed the udf in that way, that I reoderd the parameters.
Putting the dateparamter on first place, then the problem disapeared.
For that is a possible workaround, I am not satisfied with that,
becaus I have more udfs, which have date typed parameters, and I
don't like to reorder all of them.

Does anybody has any idea, what is going wrong there?

cu
Helmut