How To Fix VC2OD_DMT_ASSIST021 - Combination pos. and neg. values not allowed (characterisitic &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: VC2OD_DMT_ASSIST - Message Class for Dependency Maintenance Table

• Message number: 021

• Message text: Combination pos. and neg. values not allowed (characterisitic &1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VC2OD_DMT_ASSIST021 - Combination pos. and neg. values not allowed (characterisitic &1) ?

  The SAP error message VC2OD_DMT_ASSIST021, which states "Combination pos. and neg. values not allowed (characteristic &1)," typically occurs in the context of variant configuration or when dealing with characteristics in a configurable material. This error indicates that there is a conflict in the values assigned to a characteristic, where both positive and negative values are being used simultaneously, which is not allowed.
  Cause:
  
  Conflicting Values: The characteristic in question (&1) has been assigned both positive and negative values in the configuration, which is not permissible.
  Configuration Settings: The configuration settings for the material may not allow for the combination of these values due to business rules or constraints defined in the system.
  Incorrect Input: The user may have inadvertently selected or entered conflicting values during the configuration process.
  
  Solution:
  
  Review Characteristic Values: Check the values assigned to the characteristic in question. Ensure that only one type of value (either positive or negative) is assigned.
  Adjust Configuration: If you are using a configuration profile, review the settings and constraints defined for the characteristic. Make sure that the rules allow for the intended combinations.
  User Input Validation: Ensure that users are properly trained on the valid combinations of values for the characteristics. Implement input validation if necessary to prevent conflicting selections.
  Check Dependencies: If there are dependencies or constraints defined in the configuration, review them to ensure they are set up correctly and do not lead to conflicting values.
  Consult Documentation: Refer to the SAP documentation or help resources for specific guidance on handling variant configuration and characteristics.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on handling characteristic values.
  Transaction Codes: Familiarize yourself with transaction codes related to variant configuration, such as CU01 (Create Configuration Profile) or CU02 (Change Configuration Profile), to manage characteristics effectively.
  Testing: After making adjustments, test the configuration thoroughly to ensure that the error does not reoccur and that the desired outcomes are achieved.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP expert or support team for further assistance.