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Constrained Plan Dependent Demand Due Too Early (Doc ID 2430948.1)

Last updated on AUGUST 19, 2019

Applies to:

Oracle Advanced Supply Chain Planning - Version and later
Information in this document applies to any platform.


On : version, Constrained planning in PROD

Users are on 12.1.3 and have applied VCP aka R12.SCP_PF.B.Delta.4 - Patch 22706126. Using 64 bit Linux MBP MSONWL64.ppc 120.3.12010000.484.1210392.15 from one off patch 26864669 applied 08-JAN-2018 - Users are running EDD Classic Constrained Plan and are seeing an issue where planned order demand for a component item is being planned too early. Example data:

item = AS100036 - item id = 713641 - Make
Org = OTD:IRV Org id = 23
Proc LT = 11.215951
Fix LT = 7.132833
Var LT = 4.083118
Fix Ord Qty = 1

This shows dependent demand for multiple orders total qty = 203 on 21-MAR-2018 which is the anchor date of the plan. The problem is when checking the Demand Pegging for this Planned Order Demand they almost all are pegging out months in the future. Examples:

Planned order demand qty = -20 pegs to planned orders in JUN-2018 and AUG-2018 - trans id = 1154911305
Planned order demand qty = -5 pegs to planned orders due on 23-MAR-2018 - this was at least close by 2 days - trans id = 1155564965
Planned order demand qty = -30 pegs to planned orders due 20-JUL-2018 - trans id = 1156529670
Planned order demand qty = -45 pegs to planned orders due 21-SEP-2018

This goes into next assembly item = RD-NB2112-02 - item id = 627844 - also in Org = OTD:IRV - Org id = 23

MSO: Lead time Control = Do not violate minimum processing lead times
MSC: Use FIFO Pegging = No

Expect planned order demand to correspond to proper next higher assembly dates

The issue can be reproduced at will with the following steps:
1. Run EDD Classic Constrained Plan
2. Review ASCP workbench supply demand
3. Find planned order demands pulled in too early


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