How To Fix MW253 - No model allocation rule found for material group & &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 253

• Message text: No model allocation rule found for material group & &

What causes this issue?

You specified that allocation rules are to be generated with allocation
categories.
Before allocation categories can be generated, model allocation rules
must be available for the material groups. No model allocation rule
exists for material group &V1&.

System Response

The system cannot generate an allocation rule with allocation
categories for the material group.

How to fix this error?

Create a model allocation rule for the material group if you want to
use an allocation rule with allocation categories for the material
group

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW253 - No model allocation rule found for material group & & ?

  The SAP error message MW253 ("No model allocation rule found for material group & &") typically occurs in the context of materials management, particularly when dealing with model allocation rules in the SAP system. This error indicates that the system is unable to find a model allocation rule for the specified material group, which is necessary for processing certain transactions.
  Cause:
  
  Missing Model Allocation Rule: The primary cause of this error is that there is no model allocation rule defined for the specified material group in the system.
  Incorrect Material Group: The material group specified in the transaction may not be correctly defined or may not exist in the system.
  Configuration Issues: There may be issues with the configuration settings related to model allocation rules in the SAP system.
  
  Solution:
  To resolve the MW253 error, you can take the following steps:
  
  
  Check Material Group:
  
  Verify that the material group specified in the error message is correct and exists in the system.
  
  
  
  Define Model Allocation Rule:
  
  If the material group is valid, you need to create or define a model allocation rule for that material group. This can typically be done in the following way:
  
  Go to the transaction code OMW1 (or the relevant configuration transaction for your version of SAP).
  Navigate to the section for model allocation rules.
  Create a new rule for the specified material group, ensuring that all necessary fields are filled out correctly.
  
  
  
  
  
  Review Configuration:
  
  Ensure that the configuration settings for model allocation are correctly set up in the system. This may involve checking related settings in the materials management module.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on model allocation rules and their configuration.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and OMW1 (Model Allocation Rules).
  Material Master: Understanding the material master data and its configuration can help in troubleshooting related issues.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  
  By following these steps, you should be able to identify the cause of the MW253 error and implement a solution to resolve it.