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EBS:PS: Troubleshooting Solver Issues FAQ (Doc ID 1383242.1)

Last updated on JUNE 24, 2018

Applies to:

Oracle Production Scheduling - Version 12.1.3 and later
Information in this document applies to any platform.

Purpose

This document lists out errors you may encounter while solving your model on PS and what changes you may need to make in order to correct the errors.   

Questions and Answers

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In this Document
Purpose
Questions and Answers
 Why does the PS model not solve when the Planning Horizon is changed?
 PO Recommendation suggested by PS on solving the model, but shows no item and the plan is scheduled to purchasing lead time of supplier.
 Why PS solver performs better with solver stages setup ?
 Why am I not able to expand pegging for my demand in my PS work bench in Production pegging view?
 Why does PS schedule on Pre-Build strategy when using Solve Stage and defining Solve Sequence?
 PS crashes when opened from Workbench
 Why Production Pegging view does not show all the work orders?
 Why do I not notice a difference in my schedule when I change the Build strategy to JIT from Pre-Build?
 Why are work orders not being scheduled on their requested dates?
 In Production pegging view Demand order tree displays the same operations more than one time, why ?
 Shortcut Bar - Views & Combined  is missing in the PS application, why & how to get the views?
 Does PS support and respect the shelf life of an item while scheduling the requirements?
 What is the root cause of error message "Work Order was not correctly specified. Item is not produced by this Work Order"?
 Why are work orders not pegged to sales order demands in EBS-PS integration?
 What are the types of work order links displayed in 12.2.5 ?
 Does Oracle Production Scheduler utilize Setup Standard Operations?
 When Solving a PS Model; a number of Items Minimum Inventory Levels were relaxed and WO's are scheduled in an infeasible fashion. Why?
 In Resource Sequence, the Run time field under Durations is view only. Is it possible to make this field active?
 Why are the work order operations not scheduled on firm range dates outside the fixed time fence?
 Why work orders that are stacked/overlapped are undone when user multi-select the entire group of stacked/overlapping production orders and try to reschedule?
 How to peg supply and demand work orders in PS?
 Why is the work order fill rate low when using JIT build strategy compared to pre-build strategy?

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