In this case I suggest to check your user exits, as this field should not get any data in case of normal sales orders.
you could as well start from SE11 table VBAK and execute the where-used list for field BNDDT.
In this case I suggest to check your user exits, as this field should not get any data in case of normal sales orders.
you could as well start from SE11 table VBAK and execute the where-used list for field BNDDT.