If you check the checkbox "Utilize data attachment..." it should take available attachment and put it in the request message binary field discarding any data mapped there. It means that do mapping for the binary field is redundant and confusing moreover if this field is mandatory:
Please, remove a binary field from input metadata in case if "Utilize data attachment..." checked.
If you check the checkbox "Utilize data attachment..." it should take available attachment and put it in the request message binary field discarding any data mapped there. It means that do mapping for the binary field is redundant and confusing moreover if this field is mandatory:
Please, remove a binary field from input metadata in case if "Utilize data attachment..." checked.