How To Fix FOX0106 - '&1' and '&2' are redundant as a relationship/inverse relationship pair

SAP Error Message - Details

• Message type: E = Error

• Message class: FOX0 - FOX Customizing

• Message number: 106

• Message text: '&1' and '&2' are redundant as a relationship/inverse relationship pair

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FOX0106 - '&1' and '&2' are redundant as a relationship/inverse relationship pair ?

  The SAP error message FOX0106 indicates that there is a redundancy in the relationship or inverse relationship pair defined in the system. This typically occurs in the context of master data management, particularly when dealing with object relationships in SAP systems, such as in SAP Master Data Governance (MDG) or SAP Business Partner (BP) configurations.
  Cause:
  The error message FOX0106 arises when:
  
  You have defined a relationship between two objects (e.g., business partners, materials, etc.) that is already defined as an inverse relationship. 
  For example, if you have a relationship defined as "A is related to B," and you also have a relationship defined as "B is related to A," the system recognizes this as redundant.
  
  Solution:
  To resolve the FOX0106 error, you can take the following steps:
  
  
  Review Relationship Definitions:
  
  Check the relationship definitions in the relevant configuration settings. Look for the specific relationship type that is causing the error.
  Identify if both the relationship and its inverse are defined. If they are, you may need to remove one of them.
  
  
  
  Modify or Delete Redundant Relationships:
  
  If you find that both relationships are defined, decide which one is necessary for your business process and delete the redundant one.
  Ensure that the remaining relationship accurately reflects the intended business logic.
  
  
  
  Check for Customizations:
  
  If there are custom developments or enhancements in your SAP system, review them to ensure they are not causing the redundancy.
  
  
  
  Testing:
  
  After making changes, test the relationships to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  
  Documentation:
  
  Document any changes made to the relationship definitions for future reference and to maintain clarity in your configuration.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like BP (Business Partner), MDG (Master Data Governance), or SE11 (Data Dictionary) to access and modify relationship definitions.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to the FOX0106 error.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to resolve the FOX0106 error and ensure that your relationship definitions are correctly configured in the SAP system.