I have a case where I need the Purchase Requisition (ME51N) to work even if the quantity is set to 0.
The standard Purchase Requisition does not allow this in SAP. How can I find out while debugging where and how to make the enhancement changes, or change the standard code so this can be allowed? I have been debugging in SE38 --> SPROX_SERVICE_INTERFACE_TEST_I
FM: BAPI_REQUISITION_CREATE
Thanks