How To Fix WXP191 - Attribute &1 is already assigned to characteristic &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WXP - Retail Planning

• Message number: 191

• Message text: Attribute &1 is already assigned to characteristic &2

What causes this issue?

You want to use master data attribute &V1& of the planning
characteristic &V3& in manual planning. The attribute is already in use
in planning characteristic &V2&, however. A double assignment is not
possible.

System Response

This assignment is not taken on.

How to fix this error?

If you want to use this assortment (&V1&, &V3&), you need to delete the
existing assignment of the attribute (&V1&, &V2&).

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 WXP191 - Attribute &1 is already assigned to characteristic &2 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WXP191 Attribute &1 is already assigned to characteristic &2
  
  Cause:
  This warning message occurs when you try to assign an attribute to a characteristic, but the attribute is already assigned to another characteristic. In SAP Classification (e.g., in the Classification System or Variant Configuration), an attribute can only be assigned to one characteristic at a time. Attempting to assign the same attribute to multiple characteristics leads to this warning.
  
  Explanation:
  
  Attribute: A data element or property that can be linked to a characteristic.
  Characteristic: A feature or property used to classify or describe an object.
  The system enforces a one-to-one relationship between an attribute and a characteristic.
  If you try to assign an attribute that is already linked to characteristic X to characteristic Y, the system raises this warning.
  
  
  Solution:
  
  
  Check existing assignments:
  
  Identify which characteristic the attribute is currently assigned to.
  You can do this by checking the attribute assignment in transaction codes like CT04 (Change Characteristic) or CT03 (Display Characteristic).
  
  
  
  Decide on the correct assignment:
  
  If the attribute should be linked to the new characteristic, you must first remove it from the old characteristic.
  If the attribute is correctly assigned to the old characteristic, do not assign it again.
  
  
  
  Remove or reassign attribute:
  
  To remove the attribute from the old characteristic, go to the characteristic maintenance and delete the attribute assignment.
  Then assign the attribute to the new characteristic if needed.
  
  
  
  Avoid duplicate assignments:
  
  Ensure that each attribute is uniquely assigned to only one characteristic.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  CT04 - Change Characteristic
  CT03 - Display Characteristic
  CL02 - Change Class
  CL03 - Display Class
  
  
  
  SAP Modules:
  
  Classification System (LO-CL)
  Variant Configuration (LO-VC)
  
  
  
  Notes:
  
  This is a warning message (WXP191), so it may not stop processing but indicates a potential data inconsistency.
  Proper attribute assignment is important for consistent classification and variant configuration behavior.
  
  
  
  
  If you need further assistance, please provide the context in which this error occurs (e.g., during class creation, characteristic maintenance, or variant configuration).