How To Fix /ACCGO/MCK_MAINT604 - Belongs to relationship between &1 and &2 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/MCK_MAINT -

• Message number: 604

• Message text: Belongs to relationship between &1 and &2 already exists

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 /ACCGO/MCK_MAINT604 - Belongs to relationship between &1 and &2 already exists ?

  The SAP error message /ACCGO/MCK_MAINT604 indicates that there is an attempt to create a relationship between two entities (denoted as &1 and &2) that already exists in the system. This error typically arises in the context of Master Data Management, particularly when dealing with relationships in the context of financial accounting or controlling.
  Cause:
  The error occurs when:
  
  You are trying to create a relationship (e.g., between a cost center and a profit center, or between a vendor and a customer) that has already been established in the system.
  There may be a duplicate entry in the database that violates the uniqueness constraint for the relationship.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Relationships:
  
  Use the relevant transaction code (e.g., KSH1 for cost centers, KSH2 for profit centers) to check if the relationship between the two entities already exists.
  If it does exist, you may not need to create it again.
  
  
  
  Modify or Delete Existing Relationships:
  
  If you need to change the existing relationship, you can modify it using the appropriate transaction.
  If the existing relationship is incorrect or no longer needed, you can delete it before attempting to create a new one.
  
  
  
  Review Input Data:
  
  Ensure that the data you are trying to input is correct and does not inadvertently create a duplicate relationship.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to the specific module you are working with to understand the relationship rules better.
  
  
  
  Check for Customizations:
  
  If your SAP system has custom developments or enhancements, check if they might be affecting the relationship creation process.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a recurring problem.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes for managing relationships in your specific SAP module.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to create or modify relationships in the system.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.