Hi all!
Thank you very much for your help!! Maybe these screen captures help me to explain my situation.
1.- First of all my OBB8 Configuration: I have two payment terms with the same code but different fixed days:
2.- Now I create a document with document date 09.01 so the left option should be taken. While creating document everything is ok.
3.- Then I save document:
4.- But when I check this document Bline date is another one different from this!!!!
I have looked for a sustitution, an exit or any Z code that make this change but I can´t find anything. Is for it, that I think if maybe is a standar SAP behaviour but I don`t know.
I don't know where to look or what I have to check. My only solution is debugging FB01 but it is very difficult...
Please, any idea is helpfull for me.
Regards!!!