Please suggest me How to create mandtory feild in billing document (VF01) in SD Module.
Through incompletion log, you cannot achieve anything as for as billing is concerned. You have to try with billing exit USEREXIT_FILL_VBRK_VBRP (Module pool SAPLV60A, program RV60AFZC).
Hi Devaraj ,
Please create a transaction variant.
Follow the below link