MRP minimums suggest wrong purchase orders

Hi,
We have a problem with a customer that is usign the MRP the message is in SAP and turn it to de SDN forums for a correction in a future release. In the following DRQ you can look for the DRQ and message that have the detail of the wrong behaivor.
Description of requirements: (Please provide a detailed description)
This case was reported because if we run the MRP wizard tool using minimums it doesn´t recognize the PO created. When we create a new PO to satisfy the minimum required or any sale order which their lead time required is less than 21 days after the PO created (it means that the items will not arrive at time to satisfy to the client) the system do not recognize this PO created and still requesting it u201Cnu201D times to satisfy this demand because it will never satisfy it, and that´s because the lead time with most of our suppliers are 21 days and some articles which are expired or will be soon, still requesting until the items arrives at the warehouse and be registered in the system.
Most of our articles (70% aprox.) come from foreign suppliers and the lead times that we have with them are 21 days; so as you can see is very necessary for us that the MRP tool run well because that means that the responsible to make the purchases will trust in the MRP recommendations to make the purchase process faster than it is right now and principally because we want to control our stocks to reduce it at least in 40-50%.
Valid as of: (Date that this legal requirement is applicable)
No legal requirement.
*Business needs: (Please describe the impact on your business, if the
functionality is not realized)*
the system can create false purchase orders, this alters the integrity of the information to make actual purchases

Mauricio:
Hola, mi es Osel y trabajo en un partner de Chile.
¿Respondió alguien a tu requerimiento?
Gracias
Osel

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MRP not considering open purchase orders when planning for open sales order

Dear Experts,
1.I have open sales orders as well as planned Independent requirements for finished goods for the current month. Also I have open puchase orders for raw materials which is part of the Bill of material of the finished goods for the current month.
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2 what tcode can I use to delete all purchase reuisitions in the sytem

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Hi Cristian,
W/o MRP run you cannot get the requirements at lower level.
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> MRP run >
FG - Stock 10, IndReq 20, PldOrd 10
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(sorry, refresh button helps only if you change the PO, PrdOrd, etc > one level under the material you can see the effect)
Edited by: Csaba Szommer on Sep 2, 2008 1:42 PM
Edited by: Csaba Szommer on Sep 2, 2008 1:43 PM
PLEASE NOTICE THAT W/O MRP-generated-PldOrd YOU WON'T GET THE DepReq.
Edited by: Csaba Szommer on Sep 2, 2008 1:50 PM
Edited by: Csaba Szommer on Sep 2, 2008 1:51 PM

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Thanks Jürgen L. for your reply.
I have made some test cases on development server but they are showing correct reference. To me also it looked program bug,

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Frdns
i posted PO with wrong vendor,
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If you haven't done a goods receipt then you probably should delete the PO. You may want to post this message in the "Materials Management" forum as well.

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Hello experts,
We use SRM server 550.
We customize the POR in the EBP. We donu2019t use SUS.
After creating the POR against the PO we want to search PO under the status "confirm by vendor" but when we look for order under this search we do not see results.
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Hi
Did you set up your tolerances in SRM and then you need to activate the POR Workflow for the system to automatically process the POR if this quantity variation is acceptable to you .Otherwise it will create a work item for approval.
Regards
Virender Singh

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Unfortunately, one of the weakness of SAP MRP is if a purchase order and/or production order is late, MRP will tell you to order it again instead of expediting.
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Hi Expert,
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Hi Expert,
Can you guide us, There some 5 purchase order ,out of that 3 purchase order picking wroght GL account but 2 purchase order picking Wrong GL account.
Where as we have same material for every purchase order including the Valuation class
So please guide us, why Purchase order picking wrong purchase order. and how can we correct the GL account in purchase order.
Regards
Santosh Kumar
Santosh,
Make your question 1st. You have been telling PURCHASE ORDERS and nothing else. Pls know what you want.
Suraj

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Thanks !

Hi,
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Raghu

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Hello
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Hi,
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Not sure where you had read that a Purchase order creation updates the PFE. Have a look at this.
http://forums.sdn.sap.com/thread.jspa?threadID=2129091&messageID=11046363#11046363
Edited by: UKSAPPP on Feb 16, 2012 6:27 AM

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Back-End/Front-End Server
Back-End/Front-End Component
Technical Name of Software Component
Support Package Level
Back-end server
Back-end component
SRA001 1.0
04
Front-end server
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UIX01EAP 100
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Log on security was filled with Current user.
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In your SAP NetWeaver Gateway system, run transaction SPRO and choose SAP Reference IMG >SAP
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I need output type NEU automaticaly for create purchase order document type

Dear Experts,
I need output type NEU automaticaly for create purchase order document type NB
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(2) I selected the output type NEU.
(3) In condition records in document type , i have chosen NB.
(4) In name its automatically coming as Purchase requisition
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Hi,
Check & press F4, NB Purchase Order (for catagory F) will be there after entering PO output type NEU & then maintaion the condition record in MN04.
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SPRO--->MM->Purchasing>Message>Output control->Message types> Define message type for Purchase Order----->Fine-Tuned Control: Purchase Order
Now here select the check box corresponding to your output(message) type NEU to have print output automatically displayed & save.
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Biju K

MRP Minimum order qty not recognized

Hello together!
We found out (note 862814 ) that mrp does not manage minimum order quantities right (see below).
Version: SAP BUSINESS ONE 2007 A PL 6
Description of requirements:
Dear Madams and Sirs,
MRP Wizard yields unexpected result.
For an item having Minimum Stock 4 and having only two item in stock MRP suggests only two items for
purchase though Minimum order Qty. is 3.
From my point of view this result is wrong.
Please help us !
Wrong purchase amount of 2 items is proposed
Proposal of 3 items as Min oOrder Qty. is 3
Partner / Kundenkontakt: bob Systemlösungen
Abwicklung auf Englisch möglich? (Antwort 'Ja' vereinfacht die Bearbeitung Ihrer Meldung) Ja
Name: Daniel Rosen
Valid as of: ASAP
Business needs:
As there are hundreds of items to be ordered at the vendors, it is almost impossible to control the Minimum order Qty. Ordering non adequate quantities results in bad prices! This should be a basic function in MRP.
Examples:
For an item having Minimum Stock 4 and having only two items in stock MRP suggests only two items for
purchase though Minimum order Qty. is 3.
Current Workaround:
Laborious control of every Purchase order from MRP suggestion.
Proposed solution:
MRP should recognize Minimum order Qty. Best it could be set individually if Minimum order Qty is recognized or not.

Hi
did you define default warehouse for items?
If it is true: did you select the default warehouse for the MRP process? Did you select another warehouse?
If you select another warehouse (not default) the behavior is correct.
Kind regards.
Agustin

Purchase order status in MRP run

Hi Gurus,
I have a doubt in MRP run.
While doing the MRP run, can there be any open PO s or is it mandatory to close them.
Can you also please suggest me on how to run the MRP.

Hi,
MRP Run
Purpose
The Material Requirements Planning (MRP) function enables you to plan material requirements for complex manufacturing processes. You use the MRP Wizard to create and run MRP scenarios. The MRP Wizard generates recommendations for the production and purchasing orders required to produce the final product on time and in the required quantity. You then use these recommendations to create production and purchase orders in the Order Recommendation Report.
The order recommendation cannot be issued for requirements that happened in the past (before the present day). Since the purchasing or production process cannot be completed in time, the MRP does not mix the real past data with new recommendations for the same period.
Prerequisites
●     You have defined the
○     Planning system
○     Procurement method
○     Order mutliple
○     Minimum order
○     Lead time
See also: Item Master Data, Planning Data Tab.
●     You have set the time interval between orders. See also: Define Inventory Cycles.
●     You have defined the appropriate items as non-production bills of materials (if required). See also: Item Master Data, General Tab.
●     You have defined default warehouses. See also: Define Warehouses.
●     You have defined forecasts. See also: Forecasts.
●     You have selected the Consume Forecast option to make the system exclude existing sales orders from the forecast. If this is not selected, the forecast considers existing sales orders as an additional requirement. See also: Sales Order.
●     You have set the planning definitions. If you chose Consume Forecast, you have defined the consumption method, days forward and days backward. See also: General Settings, Inventory Tab.
Process Flow
       1.      Start the MRP Wizard.
       2.      Create a new MRP scenario or select an existing one. (See also: MRP Wizard: Select New or Existing Scenario.)
       3.      Define the parameters for your scenario, such as the planning horizon and item details.
You also choose your display preferences. (See also: MRP Wizard: Scenario Details.)
       4.      Define the data sources for requirements that you want to include in your MRP scenario.
For example, you define whether you want to consider the existing stock or the minimum stock level. You can also include a predefined forecast. (See also: MRP Wizard: Data Source.)
       5.      Save the scenario or run it.
After you run the scenario, the system displays the MRP Results.
If there are red figures in the result table, solve the problem and re-run the MRP.
       6.      Analyze the MRP results. You can display the final stock quantity before the MRP run or after it.
       7.      Save the recommendations and exit the MRP Wizard.
Result
After completing the MRP Wizard, you still need to create the purchase and production orders in accordance with the MRP recommendations. See also: Order Recommendation Report.
Hope this will help.
Reward Point if helpful
Thanks,
Raja

MRP minimums suggest wrong purchase orders

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