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MPS issue with component materials

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MPS issue with component materials

Postby ChrisG1 on Mon Mar 12, 2012 9:59 am

Hi Gurus,

I am currently encountering the following issue but cannot get to the root of the problem.

The system is 4.6c (I know, I know pretty old)

MPS is scheduled as a background job to run daily with the following parameters:
Scope of planning IT02
Processing key NETCH
Process MRP materials X
Create purchase req. 1 (purchase requisitions)
Schedule lines 3 (schedule lines)
Create MRP list 1 (MRP list)
Planning mode 1 (Adapt)
Scheduling 2 (Lead time scheduling and capacity planning)
Planning date 12.03.2012
Display material list X
Parallel processing X

I have found that when demand is changed for MPS relevant header materials the demand changes are not picked up for component MPS relevant materials with subassemblies during this MPS run. The Dependant requirements change but the planned orders are not resulting in exception messages. If MPS is ran for a second time the component material's planned orders are ammended to reflect the changes.

Do you think that the component maybe getting processed by MPS before the header material? (before the planning file entry has been set) don't think this is possible but that's what it looks like....

I have checked the masterdata and all seems in order. I also checked the planning file entry of the component for relevant for NETECH and it was flagged prior to the MPS run. Has any body got any ideas as I am starting to run out of them.....

many thanks

Chris

ChrisG1
 
Posts: 6
Joined: Thu Nov 04, 2010 9:39 am

Re: MPS issue with component materials

Postby ChrisG1 on Mon May 21, 2012 8:25 am

Just in case anyone else encounters this problem I implemented the following OSS notes to rectify this error :

443431 Determ. of low-level codes from DBVM in planning run
56629 MRP: Planning run only plans as of higher low-level code
804751 Planning run not in accordance with low-level code sequence
ChrisG1
 
Posts: 6
Joined: Thu Nov 04, 2010 9:39 am


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