How To Fix /SCMB/TG_NACH123 - Internal error when reading trigger &1 for service &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/TG_NACH -

• Message number: 123

• Message text: Internal error when reading trigger &1 for service &2

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 /SCMB/TG_NACH123 - Internal error when reading trigger &1 for service &2 ?

  The SAP error message /SCMB/TG_NACH123 Internal error when reading trigger &1 for service &2 typically indicates an internal issue within the SAP system, particularly related to the Supply Chain Management (SCM) module. This error can occur when the system is unable to retrieve or process the specified trigger for a service due to various reasons.
  Possible Causes:
  
  Data Inconsistency: There may be inconsistencies or corruption in the data related to the trigger or service.
  Configuration Issues: Incorrect configuration settings in the SCM module can lead to this error.
  Authorization Issues: The user may not have the necessary authorizations to access the trigger or service.
  System Bugs: There could be bugs in the SAP system or specific patches that need to be applied.
  Database Issues: Problems with the underlying database, such as locks or connectivity issues, can also lead to this error.
  
  Solutions:
  
  Check Data Consistency: Verify the integrity of the data related to the trigger and service. Use transaction codes like SE11 to check the database tables involved.
  Review Configuration: Ensure that the configuration settings for the SCM module are correct. This may involve checking the settings for the specific service and trigger.
  User Authorizations: Confirm that the user encountering the error has the necessary authorizations to access the relevant data.
  System Logs: Check the system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. Applying the latest patches or updates may resolve the issue.
  Database Check: If you suspect database issues, work with your database administrator to check for locks, performance issues, or other anomalies.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SLG1 (Application Log), and SE80 (Object Navigator) for troubleshooting.
  Documentation: Review the official SAP documentation for the SCM module to understand the configuration and data structures involved.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and potentially resolve the error message /SCMB/TG_NACH123.