I am working on Payment release workflow WS00400012. When a document is posted I am getting an error in the task TS00407859 (Determine Subworkflow Release for Payment). Within this I found "SUBWFDETERMINE" is getting executed in this task I am getting an error. I did debug the method SUBWFDETERMINE from SWO1 there I am gettng an error "Error in workflow customizing" this is because the field SUBNR is initial. Can anybody tell me in the customizing where I am doing the mistake.