How To Fix WXPA001 - Characteristic &2 was not assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: WXPA - MAP: External Applications

• Message number: 001

• Message text: Characteristic &2 was not assigned

What causes this issue?

You are defining a read interface between MAP and the application &V1&.
You have selected a planning scenario and a planning step combination.
To be able to use the interface you need to be on the most detailed
level of the planning step. Either you have not selected all the
planning characteristics in the characteristics selection, or you have
selected a key figure for which a unit has not yet been assigned.

System Response

The interface is incorrect and cannot be used

How to fix this error?

Maintain all the planning characteristics in the characteristics
selection that have the F4 help option.

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 WXPA001 - Characteristic &2 was not assigned ?

  SAP Error Message:
  
  WXPA001 - Characteristic &2 was not assigned
  
  Cause:
  This error occurs in SAP when a characteristic (often used in classification, variant configuration, or classification-based processes) has not been assigned to the relevant object or context where it is expected. For example, in variant configuration or classification, a characteristic that is required for processing or evaluation is missing from the assigned class or object.
  Typical scenarios include:
  
  A characteristic is referenced in a configuration profile or class but has not been assigned to that class.
  During classification or variant configuration, the system expects a characteristic that is not linked to the object.
  In batch management or classification, a characteristic is missing from the batch class.
  
  
  Solution:
  
  
  Check Characteristic Assignment:
  
  Go to the classification or variant configuration where the characteristic is expected.
  Verify that the characteristic mentioned in the error message (&2 is a placeholder for the characteristic name) is assigned to the relevant class or object.
  Use transaction CL02 (Change Characteristic) and CL24N (Class Maintenance) or CU41 (Change Class) to check and assign characteristics.
  
  
  
  Assign the Missing Characteristic:
  
  If the characteristic is missing, assign it to the class or object.
  Save and activate the changes.
  
  
  
  Check Configuration Profile or Object Dependencies:
  
  In variant configuration, check the configuration profile or dependencies to ensure the characteristic is properly included.
  
  
  
  Reprocess or Retry the Operation:
  
  After assignment, retry the operation that caused the error.
  
  
  
  
  Related Information:
  
  
  Transactions:
  
  CL02 - Change Characteristic
  CL24N - Class Maintenance
  CU41 - Change Class
  CU50 - Configuration Profile Maintenance
  
  
  
  Modules:
  
  Variant Configuration (LO-VC)
  Classification (LO-CL)
  Batch Management (MM-IM-BM)
  
  
  
  Notes:
  
  Ensure that the characteristic is active and valid.
  Check if the characteristic is assigned to the correct class type (e.g., 001 for material, 032 for batch).
  Sometimes, the error can occur if the characteristic is assigned but not maintained with values.
  
  
  
  
  If you provide the exact context (e.g., transaction, module, or process), I can give more tailored guidance.