How To Fix /ACCGO/MCK_NEGO018 - CBC already exists for this item; trigger not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/MCK_NEGO -

• Message number: 018

• Message text: CBC already exists for this item; trigger not possible

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_NEGO018 - CBC already exists for this item; trigger not possible ?

  The SAP error message /ACCGO/MCK_NEGO018 CBC already exists for this item; trigger not possible typically occurs in the context of the SAP Convergent Charging (SAP CC) module. This error indicates that there is an attempt to create a new chargeback (CBC) for an item that already has an existing chargeback associated with it. 
  Cause:
  
  Duplicate Chargeback Attempt: The system is trying to create a chargeback for an item that already has an active or pending chargeback.
  Data Integrity Issues: There may be issues with the data integrity in the system, where the same item is being processed multiple times.
  Configuration Issues: There could be configuration settings that are not allowing multiple chargebacks for the same item.
  
  Solution:
  
  Check Existing Chargebacks: Review the existing chargebacks for the item in question. You can do this by navigating to the relevant transaction or report in SAP CC to see if a chargeback already exists.
  Modify or Cancel Existing Chargeback: If a chargeback already exists and you need to create a new one, consider modifying or canceling the existing chargeback if it is no longer needed.
  Review Business Logic: Ensure that the business logic or process flow does not allow for multiple chargebacks for the same item unless intended. This may involve reviewing the configuration settings in SAP CC.
  Consult Documentation: Refer to the SAP documentation or help resources for guidance on handling chargebacks and understanding the specific conditions under which this error occurs.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide insights based on the specific configuration and version of your SAP system.
  
  Related Information:
  
  SAP Convergent Charging Documentation: Review the official SAP documentation for Convergent Charging to understand how chargebacks are managed and the rules governing them.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP CC that can help you manage chargebacks and related processes.
  User Forums and Communities: Engage with SAP user communities or forums where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the error and understand the underlying issues related to chargebacks in SAP Convergent Charging.