How To Fix /SCMB/TG_NACH002 - Primary key does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/TG_NACH -

• Message number: 002

• Message text: Primary key does not exist

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_NACH002 - Primary key does not exist ?

  The SAP error message /SCMB/TG_NACH002 Primary key does not exist typically occurs in the context of SAP Advanced Planning and Optimization (APO) or Supply Chain Management (SCM) when the system is unable to find a specific record in the database that is required for processing a transaction or operation. This error can arise due to various reasons, including data inconsistencies, missing entries, or issues with the configuration.
  Causes:
  
  Missing Data: The primary key that the system is trying to access does not exist in the database. This could be due to data not being created or deleted inadvertently.
  Data Inconsistency: There may be inconsistencies in the data, such as incorrect or incomplete entries in the relevant tables.
  Configuration Issues: Incorrect configuration settings in the system can lead to the inability to locate the required primary key.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), the necessary data might not have been transported correctly.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain data, leading to this error.
  
  Solutions:
  
  Check Data Existence: Verify that the primary key in question exists in the relevant database table. You can do this by using transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the relevant tables.
  Data Consistency Check: Run consistency checks or reports to identify any inconsistencies in the data. This may involve checking related tables to ensure that all necessary entries are present.
  Recreate Missing Data: If the primary key is missing, you may need to recreate the necessary data. This could involve creating new entries in the relevant tables.
  Review Configuration: Check the configuration settings in the system to ensure that they are set up correctly. This may involve reviewing settings in the SAP APO or SCM modules.
  Transport Validation: If the issue arose after a transport, validate that all necessary objects and data were included in the transport request.
  Authorization Check: Ensure that the user has the necessary authorizations to access the data. This may involve checking user roles and permissions.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE16, and others that can help you investigate the issue.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Logs and Traces: Review application logs (transaction SLG1) and system traces to gather more information about the error context.
  Consult Documentation: Refer to SAP documentation for the specific module you are working with (e.g., SCM, APO) for more detailed information on data management and troubleshooting.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation.