How To Fix MW111 - Model alloc rule &3 already created for mat. grp &1 and quotas cat. &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 111

• Message text: Model alloc rule &3 already created for mat. grp &1 and quotas cat. &2

What causes this issue?

For this combination of material group and quota category the model
allocation rule &V3& already exists.
Only one model allocation rule can be created for any one combination
of material group and quota category.

How to fix this error?

Edit model allocation rule &V3&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW111 - Model alloc rule &3 already created for mat. grp &1 and quotas cat. &2 ?

  The SAP error message MW111 indicates that a model allocation rule has already been created for a specific material group and quota category. This error typically arises in the context of materials management and allocation processes within SAP.
  Cause:
  The error occurs when you attempt to create a new model allocation rule for a material group (&1) and a quota category (&2) that already has an existing allocation rule (&3). This is a safeguard to prevent duplicate entries that could lead to inconsistencies in the allocation process.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Allocation Rules:
  
  Navigate to the relevant transaction in SAP (usually related to model allocation rules, such as OMW1 or similar).
  Search for existing allocation rules for the specified material group and quota category to confirm that a rule already exists.
  
  
  
  Modify Existing Rule:
  
  If an existing rule is found, you can either modify it if it does not meet your requirements or use it as is, depending on your needs.
  
  
  
  Delete Existing Rule:
  
  If the existing allocation rule is no longer needed, you can delete it. Ensure that this action does not affect other processes relying on that rule.
  
  
  
  Create New Rule with Different Parameters:
  
  If you need to create a new allocation rule, consider using a different material group or quota category that does not conflict with existing entries.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to model allocation rules for additional context and best practices.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OMW1 (for model allocation) or MM02 (for material master changes).
  SAP Notes: Check SAP Notes for any updates or specific fixes related to this error message.
  User Roles: Ensure that you have the appropriate permissions to view and modify allocation rules in your SAP environment.
  
  By following these steps, you should be able to address the MW111 error effectively.