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Unconstrained Plan Has Early Planned Orders For Supply (Doc ID 2298087.1)

Last updated on DECEMBER 03, 2019

Applies to:

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


On : version, Memory Based Planner in PROD

Users are on 12.2.6 and have applied patch 25074533 - - replaced by new mandatory patch - Patch 25508888. They are running an unconstrained ASCP plan. They see an issue where planned orders appear to be generated too early for supply. Example data:

Item = SH30050.02 inv item id = 4056263
Org = BIO:LGM org id = 1732
SS = Hard INV qty = 1
FDS = 40
Calendar 5 on 2 off
On hand qty = 8

Planned order qty = 1 due 23-AUG-23017 pegs to SS due 07-JUL-2017 - trans id = 2133382782

Plan name = PP-AP-LS-C plan id = 99056
Plan run date 07-JUL-2017

Horizontal plan shows PAB on 10-JUL-2017 = 4 and SS = 1. The following week of 17-JUL-2017 there's demand for qty = 0.6 and a planned order qty = 1 is generated which pegs to SS only. PAB now increases to 4.4 vs SS = 1 - In checking pegging of the on hand the fiirst qty = 4 pegs completely to past due sales order demand qty = 4 so that's used up. Second qty = 4 on hand pegs to many forecast demands starting on 27-JUL-2017 out through 27-DEC-2017. This goes below SS around Oct/Nov time frame. Users state they see this issue on many items (dozens).

Expect the planned order to be generated to satisfy the demand at the time it's needed and not months earlier than the demand

The issue can be reproduced at will with the following steps:
1. Run unconstrained ASCP plan
2. review supply demand output and horizontal plan data
3. Find for some items, planned orders for supply are unexpectedly due months earlier than demand




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