How To Fix AP321 - Characteristic &1 is tied to characteristic &2

SAP Error Message - Details

• Message type: E = Error

• Message class: AP - Investment program messages

• Message number: 321

• Message text: Characteristic &1 is tied to characteristic &2

What causes this issue?

In the foreign key maintained in the customer enhancement, you
specified that characteristic &V1& is tied to characteristic &V2&.
This information was adopted by the characteristic catalog of the
drilldown.

System Response

If you choose characteristic &V1& for a drilldown report, then
characteristic &V2& also has to be used in the same report.
Selection using characteristic &V2& is prerequisite for selection using
characteristic &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AP321 - Characteristic &1 is tied to characteristic &2 ?

  The SAP error message AP321 indicates that there is a conflict or issue with the characteristics in the context of variant configuration or classification. Specifically, it means that the characteristic you are trying to work with (characteristic &1) is tied to another characteristic (characteristic &2) in a way that is causing a problem.
  Cause:
  
  Dependency Issues: The characteristics may have dependencies defined in the system that restrict how they can be used together.
  Incorrect Configuration: The configuration of the characteristics may not be set up correctly, leading to conflicts.
  Usage in Classes: The characteristics might be used in different classes or objects that are not compatible with each other.
  Inconsistent Data: There may be inconsistencies in the data related to the characteristics, such as incorrect values or settings.
  
  Solution:
  
  Check Dependencies: Review the dependencies between the characteristics in the configuration settings. Ensure that they are set up correctly and that there are no conflicting rules.
  Review Characteristic Settings: Go to the characteristics in the classification system and check their settings. Make sure that they are correctly defined and that there are no restrictions that would cause this error.
  Adjust Class Assignments: If the characteristics are part of different classes, ensure that they are assigned correctly and that there are no conflicts in their usage.
  Data Consistency: Verify the data associated with the characteristics. Look for any inconsistencies or errors that may be causing the issue.
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on how to resolve characteristic conflicts.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CT04 (to maintain characteristics) or CL02 (to maintain classes) to investigate and resolve the issue.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify the root cause of the AP321 error and implement a solution to resolve it.