How To Fix MW071 - Alloc rule &1 defined for material group &2 (Mat. &3 has MG &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 071

• Message text: Alloc rule &1 defined for material group &2 (Mat. &3 has MG &4)

What causes this issue?

Allocation rule &V1& is assigned to material group &V2&. The material
group of the material currently used is &V3&.

How to fix this error?

INCLUDE ISR_KORRIGIEREN OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW071 - Alloc rule &1 defined for material group &2 (Mat. &3 has MG &4) ?

  The SAP error message MW071 indicates an issue with the allocation rule defined for a specific material group in the context of material management. This error typically arises when there is a mismatch or misconfiguration in the allocation rules for materials within a specific material group.
  Cause:
  
  Allocation Rule Configuration: The allocation rule for the specified material group is either not defined or incorrectly set up in the system.
  Material Group Assignment: The material in question may not be correctly assigned to the appropriate material group, or the material group itself may not have a valid allocation rule.
  Missing Data: There may be missing or incomplete data in the configuration settings for the material group or allocation rules.
  
  Solution:
  
  
  Check Allocation Rules:
  
  Navigate to the configuration settings for allocation rules in SAP (Transaction code: SPRO).
  Ensure that the allocation rule for the specified material group is defined correctly.
  If it is missing, create a new allocation rule for the material group.
  
  
  
  Verify Material Group Assignment:
  
  Check the material master data for the material in question (Transaction code: MM03).
  Ensure that the material is assigned to the correct material group and that the group has the necessary allocation rules.
  
  
  
  Review Configuration:
  
  Go through the configuration settings related to material groups and allocation rules to ensure that all necessary parameters are set correctly.
  Make sure that the allocation rules are active and applicable to the materials in question.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details on how to configure allocation rules and material groups.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration by attempting to process the material again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM03 (Display Material)
  SPRO (Customizing)
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to allocation rules and material groups.
  User Roles: Ensure that you have the necessary permissions to make changes to allocation rules and material group configurations.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in material management for further assistance.