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MRP not generating the proper purchase requisition

Jan 05 at 02:41 AM


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Hi All, please I have an issue:

I am running MRP for a material that does not belong to an MRP group (actually MRP groups were not defined in the system). I was expecting the system to generate NB purchase requisition but instead, another purchase requisition type was generated.

In another testing, I created 2 MRP groups as follow:

Group1 linked to NB purchase requisition

Group2 linked to ZNB purchase requisition

Material1 belongs to Group1

Material2 belongs to Group2

MRP for Material 1 generates ZNB (I was expecting NB)

MRP for Material 2 generates ZNB (as expected)

Please do you know why:

1) MRP would generate another requisition type than NB when there is no MRP group?

2) MRP for Material1 generates ZNB instead of NB?

Thank you.

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1 Answer

Caetano Almeida
Jan 05 at 04:19 PM


If the MRP group key is equal to the material type, the MRP considers this MRP group automatically. For example, if you have MRP Group ZROH and your material type is also ZROH, then it will be considered by MRP, even if it is not assigned to the material.



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Thank you Caetano. Actually in my case, there is a user exit which is causing that system behaviour.

We can close this question.

Thank you all.