How To Fix /ACCGO/MBS_MSG020 - Multiple release of LDC in MBS scenario for same nomination not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/MBS_MSG -

• Message number: 020

• Message text: Multiple release of LDC in MBS scenario for same nomination not allowed

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /ACCGO/MBS_MSG020 - Multiple release of LDC in MBS scenario for same nomination not allowed ?

  The SAP error message /ACCGO/MBS_MSG020 indicates that there is an attempt to release multiple LDC (Load Distribution Confirmation) entries for the same nomination in the MBS (Market-Based Supply) scenario, which is not permitted. This error typically arises in the context of managing nominations and confirmations in the energy and utilities sector, particularly when dealing with gas or electricity supply.
  Cause:
  
  
  Duplicate Release Attempt: The primary cause of this error is that there are multiple attempts to release LDCs for the same nomination. This can happen if:
  
  The same nomination has been processed multiple times.
  There are multiple users or processes trying to release the same LDC simultaneously.
  There is a system or user error that leads to duplicate entries.
  
  
  
  Configuration Issues: Sometimes, the system configuration may not be set up correctly to handle the release of LDCs, leading to conflicts.
  
  
  Data Integrity Issues: There may be inconsistencies in the data related to nominations and confirmations, causing the system to flag the release as invalid.
  
  
  Solution:
  
  
  Check for Duplicates: Review the nominations and LDCs to ensure that there are no duplicate entries. You can do this by:
  
  Checking the transaction logs for any previous releases of the same nomination.
  Verifying the status of the LDCs in the system.
  
  
  
  Release Process: Ensure that the release process is being followed correctly. If multiple users are involved, coordinate to avoid simultaneous releases.
  
  
  System Configuration: If the issue persists, check the configuration settings in the SAP system related to MBS and LDC processing. Ensure that the settings allow for proper handling of nominations and confirmations.
  
  
  Data Cleanup: If there are inconsistencies in the data, you may need to perform a data cleanup. This could involve:
  
  Deleting or correcting duplicate nominations or LDCs.
  Running consistency checks to ensure that the data is accurate.
  
  
  
  Consult Documentation: Refer to SAP documentation or notes related to MBS and LDC processing for any specific guidelines or updates that may address this issue.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide insights based on the specific version of your SAP system and any known issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP that deal with nominations and LDCs, such as /ACCGO/MBS related transactions.
  User Roles: Ensure that users have the appropriate roles and permissions to perform LDC releases.
  Training: Provide training for users on the correct processes for handling nominations and LDCs to minimize errors.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to prevent it from occurring in the future.