How To Fix WSTRN001 - Select at least one characteristic value

SAP Error Message - Details

• Message type: E = Error

• Message class: WSTRN - Message for Prepack Creation and Planning Dialog

• Message number: 001

• Message text: Select at least one characteristic value

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSTRN001 - Select at least one characteristic value ?

  SAP Error Message:
  
  WSTRN001 - Select at least one characteristic value
  
  Cause:
  This error occurs when you are working with a variant configuration or classification in SAP and you attempt to proceed without selecting any characteristic values. Characteristics are attributes or features that define a configurable material or object. The system requires at least one characteristic value to be selected to continue with the configuration or classification process.
  In other words, the system expects you to specify at least one characteristic value to identify or configure the object/material, but none was selected.
  
  When does it typically occur?
  
  During the creation or change of a configurable material (variant configuration).
  When assigning characteristics to a material or object in classification.
  While using transaction codes related to variant configuration (e.g., CU50, CU51, CU53) or classification (e.g., CL20N).
  When saving or proceeding in configuration steps without selecting any characteristic values.
  
  
  Solution:
  
  Select at least one characteristic value: Go back to the screen where characteristics are displayed and select one or more characteristic values before proceeding.
  Check mandatory characteristics: Some characteristics may be marked as mandatory in the configuration profile or class. Ensure these are filled.
  Review configuration profile or class: If you believe you have selected values but still get the error, verify that the characteristics are correctly assigned and that the configuration profile or class is properly maintained.
  Check dependencies: Sometimes dependencies or constraints may hide or disable characteristic values. Review dependencies to ensure that characteristic values are available for selection.
  User Interface: If using a custom UI or transaction, ensure that the characteristic selection screen is properly implemented and that the values are passed correctly.
  
  
  Additional Information:
  
  Variant Configuration (LO-VC): Characteristics and characteristic values are fundamental in variant configuration. Each configurable material is assigned a class with characteristics that define its variants.
  Classification System: Characteristics are assigned to classes and objects to classify materials or documents.
  Transaction Codes:
  
  CU50: Create/change configuration profile
  CU51: Create/change class
  CU53: Display class
  CL20N: Change class assignment
  
  
  SAP Notes: If the problem persists despite selecting values, check for relevant SAP Notes or patches related to variant configuration or classification.
  
  
  Summary:
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  No characteristic value selected in configuration/classification.
  
  
  Effect
  System prevents proceeding with configuration or classification.
  
  
  Solution
  Select at least one characteristic value before continuing.
  
  
  Related Areas
  Variant Configuration (LO-VC), Classification System, Configuration Profiles, Classes.
  
  
  
  
  If you provide the exact transaction or process where this error occurs, I can help with more specific guidance.