How To Fix /SCMB/TG_NACH001 - Trigger already assigned to this group

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/TG_NACH -

• Message number: 001

• Message text: Trigger already assigned to this group

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 /SCMB/TG_NACH001 - Trigger already assigned to this group ?

  The SAP error message /SCMB/TG_NACH001 Trigger already assigned to this group typically occurs in the context of SAP Advanced Planning and Optimization (APO) or Supply Chain Management (SCM) when you are trying to assign a trigger to a group that already has that trigger assigned. This can happen during configuration or when setting up planning areas, planning books, or other related components.
  Cause:
  
  Duplicate Assignment: The trigger you are trying to assign is already linked to the specified group. This can happen if the same trigger is mistakenly assigned multiple times.
  Configuration Error: There may be an error in the configuration settings where the same trigger is being referenced incorrectly.
  Data Integrity Issues: There might be inconsistencies in the data or configuration that lead to this error.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Go to the relevant configuration area in SAP where triggers are assigned (e.g., in the planning book or planning area settings).
  Verify if the trigger is already assigned to the group. If it is, you may need to remove the existing assignment before making a new one.
  
  
  
  Remove Duplicate Assignment:
  
  If you find that the trigger is already assigned, you can either remove it from the existing group or choose a different trigger for the new assignment.
  
  
  
  Review Configuration:
  
  Ensure that your configuration settings are correct and that there are no unintended duplicate entries.
  Check for any transport requests that might have caused inconsistencies in the configuration.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on managing triggers and groups in your version of SAP SCM/APO.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot resolve it through the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCMB/PLN for planning book settings or /SCMB/TG for trigger management.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.