Solution:
For automatic PO creation from PR, following master data/steps need to be done:-
1) MM02 - in Material Master purchasing view, tick the automatic PO check box.
2) MK02 - in Vendor Master purchasing view, tick automatic PO check box.
3) ME01 - Maintain Source list for Vendor & Material (set 'Fix vendor' if you use step 6b).
4) ME11 - Maintain Purchase Info Record for your Vendor Material Price.
5) ME51 - Auto backorder - Create PR
6a) ME57 - Assign vendor & process PR, you will be able to create PO from PR even when 1) is not fulfilled.
OR if you want to create one PO for multiple PR, use step 6b.
6b) ME59 / ME59N - Execute for PR for vendor, you will
be able to create automatic PO.
Program name for background scheduling:
Automatic Creation of Purchase Orders from Requisitions:
a) ME59 - RM06BB20 (old tcode should not use anymore)
B) ME59N - RM06BB30
Important variables you should specify before scheduling your PO auto creation for daily run:
