How To Fix VC2OD_DMT_ASSIST016 - Expression comparing characteristics not allowed (&1, &2)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 016

• Message text: Expression comparing characteristics not allowed (&1, &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VC2OD_DMT_ASSIST016 - Expression comparing characteristics not allowed (&1, &2) ?

  The SAP error message VC2OD_DMT_ASSIST016, which states "Expression comparing characteristics not allowed (&1, &2)," typically occurs in the context of variant configuration or when working with characteristics in SAP. This error indicates that there is an attempt to compare two characteristics in a way that is not permitted by the system.
  Cause:
  
  Invalid Comparison: The error arises when there is an attempt to compare two characteristics directly in a condition or formula. In SAP, characteristics are used to define the properties of configurable products, and comparing them directly is not allowed.
  Incorrect Configuration: The configuration of the variant or the rules defined for the characteristics may be incorrect or not aligned with the expected logic.
  Logical Errors in Dependencies: If you are using dependencies (like constraints or rules) to define how characteristics interact, there may be a logical error in how these dependencies are set up.
  
  Solution:
  
  Review Dependencies: Check the dependencies (e.g., constraints, selection conditions) where the error is occurring. Ensure that you are not trying to compare two characteristics directly. Instead, use their values or attributes for comparison.
  Use Values Instead of Characteristics: If you need to compare characteristics, consider comparing their values instead. For example, instead of comparing Characteristic A and Characteristic B, compare Value of Characteristic A with Value of Characteristic B.
  Modify Configuration Logic: If the logic in your configuration is incorrect, modify it to ensure that it adheres to the rules of variant configuration. This may involve restructuring how characteristics are defined and how they interact.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly set up characteristics and dependencies in variant configuration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on handling characteristic comparisons.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Training and Documentation: Consider reviewing training materials or documentation on variant configuration and characteristics in SAP to better understand the rules and best practices.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.