How To Fix WRF_CHAR_VAL020 - Error inserting new characteristic values for characteristic &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_CHAR_VAL - Messages for Package WRF_CHARACTERISTIC_VALUE_GRP

• Message number: 020

• Message text: Error inserting new characteristic values for characteristic &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_CHAR_VAL020 - Error inserting new characteristic values for characteristic &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WRF_CHAR_VAL020
  
  Text: Error inserting new characteristic values for characteristic &1
  
  Cause:
  This error occurs when SAP tries to insert new characteristic values into the classification system (e.g., during classification data maintenance, batch input, or data migration), but the insertion fails. The failure can be due to several reasons, including:
  
  Duplicate characteristic values: The value you are trying to insert already exists for the characteristic.
  Invalid or inconsistent data: The characteristic value does not conform to the expected data type, length, or format.
  Authorization issues: The user does not have sufficient authorization to create or modify characteristic values.
  Database constraints: There might be database constraints or locks preventing the insertion.
  Technical issues: Problems with the underlying tables (e.g., inconsistent entries in tables like CABN, CAWN, CAWV, or KSSK) or transport inconsistencies.
  Incorrect configuration: The characteristic might be set as a fixed value characteristic, which does not allow new values to be added dynamically.
  
  
  Solution:
  To resolve the error, consider the following steps:
  
  
  Check for duplicates:
  
  Verify if the characteristic value you are trying to insert already exists. Use transaction CT04 (Characteristic maintenance) to check existing values.
  
  
  Validate data format:
  
  Ensure the characteristic value matches the data type and length defined in the characteristic. For example, numeric values should not contain letters, and string lengths should not exceed the defined length.
  
  
  Check authorizations:
  
  Confirm that the user has the necessary authorizations to create or change characteristic values. Check roles and authorizations related to classification (S_CTS_ADMI, S_CTS_OBJ, etc.).
  
  
  Review characteristic settings:  
  
  Check if the characteristic is set as a fixed value characteristic (which does not allow new values to be added).  
  If so, you need to add values manually in CT04 or change the characteristic settings if dynamic values are required.
  
  
  
  Check for database locks or inconsistencies:  
  
  Use transaction SM12 to check for locks on classification tables.  
  Run consistency checks or database utilities if needed.
  
  
  
  Check transport and system consistency:
  
  If this error occurs after a transport or system upgrade, verify that all relevant customizing and master data are consistent.
  
  
  Debugging:
  
  If the above steps do not resolve the issue, debugging the function module or program that inserts the characteristic values can help identify the exact cause.
  
  
  
  Related Information:
  
  
  Transactions:  
  
  CT04 - Maintain Characteristics  
  CL20N - Classification Data Maintenance  
  SM12 - Lock Entries  
  SE38 / SE80 - For debugging
  
  
  
  Tables involved:  
  
  CABN - Characteristics  
  CAWN - Characteristic values (texts)  
  CAWV - Characteristic values (values)  
  KSSK - Classification data
  
  
  
  Notes and SAP Help:  
  
  Check SAP Notes related to classification and characteristic value maintenance.  
  SAP Help Portal: Classification and Characteristics section.
  
  
  
  
  If you provide the context in which this error occurs (e.g., during data upload, manual entry, or a specific transaction), I can help tailor the solution further.