How To Fix WXPB135 - Select exactly one characteristic value

SAP Error Message - Details

• Message type: E = Error

• Message class: WXPB - MAP Messages: SAP R/3 Enterprise Add-On

• Message number: 135

• Message text: Select exactly one characteristic value

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WXPB135 - Select exactly one characteristic value ?

  SAP Error Message:
  
  WXPB135: Select exactly one characteristic value
  
  Cause:
  This message typically appears in SAP when you are working with classification data, characteristics, or variant configuration, and the system expects you to select exactly one value for a particular characteristic, but either:
  
  No value has been selected, or  
  More than one value has been selected for a characteristic that requires a single value.
  
  In other words, the characteristic is defined as single-valued (not multi-valued), but the user input does not comply with this restriction.
  
  When does it occur?
  
  During classification of materials or objects in the Classification system (transaction CL20N, CL30N, etc.).  
  While maintaining or selecting characteristic values in variant configuration (transactions like CU50, CU51, CU53).  
  When entering or changing characteristics in sales documents or BOMs where characteristics are used.
  
  
  Solution:
  
  
  Select exactly one value:
  
  Review the characteristic values you have selected and ensure that exactly one value is chosen for the characteristic in question.
  
  
  Check characteristic definition:
  
  If you believe multiple values should be allowed, check the characteristic definition in transaction CT04:  
  
  Verify if the characteristic is set as single-valued or multi-valued.  
  If business requirements allow multiple values, change the characteristic to allow multiple values (multi-valued characteristic).
  
  
  
  Correct user input:
  
  If the characteristic is single-valued, correct the input by deselecting extra values or selecting a value if none is selected.
  
  
  Check dependencies or constraints:
  
  Sometimes dependencies or constraints in variant configuration can cause this error if they force a characteristic to have exactly one value. Review any dependencies or constraints that might affect the characteristic.
  
  
  
  Additional Information:
  
  
  Message Class: WXPB  
  
  
  Message Number: 135  
  
  
  This message is a warning or error depending on the context and configuration.
  
  
  In variant configuration, characteristics can be defined as:  
  
  Single-valued (only one value allowed)  
  Multi-valued (multiple values allowed)
  
  
  
  The system enforces these rules strictly to maintain data consistency.
  
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Characteristic requires exactly one value, but user selected none or multiple values.
  
  
  Solution
  Select exactly one value or adjust characteristic to allow multiple values if appropriate.
  
  
  Where
  Classification, variant configuration, sales documents, BOMs.
  
  
  Transaction
  CT04 (characteristic maintenance), CL20N/CL30N (classification), CU50/CU51 (variant config)
  
  
  
  
  If you need help identifying which characteristic is causing the issue, check the screen or log where the error appears; it usually indicates the characteristic name or ID.
  
  Example:
  
  If you are classifying a material and the characteristic "Color" is single-valued, you must select exactly one color (e.g., Red). Selecting both Red and Blue will trigger WXPB135.
  
  If you want, I can help you with steps to check or change characteristic settings or troubleshoot further.