How To Fix MW126 - Plants have been entered in model alloc rule

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 126

• Message text: Plants have been entered in model alloc rule

What causes this issue?

If you enter plants in a model allocation rule, the system will not
allow you to post.
There is no point entering plants in model allocation rules, since
model allocation rules cannot be used for stock splits but are used as
a reference rule for generating allocation rules.

System Response

INCLUDE ISR_VERARBEITUNG

How to fix this error?

Create a model allocation rule without plants.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW126 - Plants have been entered in model alloc rule ?

  The SAP error message MW126 indicates that there is an issue with the model allocation rule in relation to the plants that have been entered. This error typically arises when you are trying to create or modify a model allocation rule, and the system detects that the plants specified in the rule are not compatible with the current configuration or settings.
  Cause:
  
  Incorrect Plant Assignment: The plants specified in the model allocation rule may not be correctly assigned or may not exist in the system.
  Model Allocation Configuration: The configuration for model allocation may not be set up correctly, leading to conflicts with the plants entered.
  Missing Authorizations: The user may not have the necessary authorizations to access or modify the plants in question.
  Data Inconsistencies: There may be inconsistencies in the master data related to the plants or the model allocation rules.
  
  Solution:
  
  Check Plant Configuration: Verify that the plants entered in the model allocation rule are correctly configured in the system. Ensure that they exist and are active.
  Review Model Allocation Rules: Go through the model allocation rules to ensure that they are set up correctly and that the plants are compatible with the rules defined.
  Authorization Check: Ensure that the user has the necessary authorizations to access and modify the plants and model allocation rules.
  Data Consistency Check: Perform a consistency check on the master data related to the plants and model allocation rules to identify any discrepancies.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on model allocation rules and plant configuration.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as MM01 (Create Material), MM02 (Change Material), or MM03 (Display Material) to check the material master data related to the plants.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  By following these steps, you should be able to identify the cause of the MW126 error and implement the necessary solutions to resolve it.