How To Fix GHO_ALLOC103 - No instance for SAM db class exists

SAP Error Message - Details

• Message type: E = Error

• Message class: GHO_ALLOC - Message class for Allocation

• Message number: 103

• Message text: No instance for SAM db class exists

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 GHO_ALLOC103 - No instance for SAM db class exists ?

  The SAP error message GHO_ALLOC103: No instance for SAM db class exists typically occurs in the context of SAP's Global Trade Services (GTS) or when dealing with the SAP Advanced Planning and Optimization (APO) module. This error indicates that the system is unable to find a valid instance of the specified database class for the System Allocation Management (SAM) process.
  Causes:
  
  Configuration Issues: The database class for SAM may not be properly configured in the system.
  Missing or Inactive Instances: The required instance for the SAM database class may not exist or may be inactive.
  Transport Issues: If the system has recently undergone a transport, the necessary configurations or instances may not have been transported correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the required database class.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to the configuration settings for the SAM database class in the SAP GTS or APO module.
  Ensure that the database class is correctly defined and that all necessary parameters are set.
  
  
  
  Verify Instances:
  
  Check if the required instance for the SAM database class exists in the system.
  If it does not exist, you may need to create it or activate it if it is inactive.
  
  
  
  Transport Management:
  
  If the issue arose after a transport, verify that all necessary objects and configurations were included in the transport request.
  Re-import the transport if necessary.
  
  
  
  User Authorizations:
  
  Check the user roles and authorizations to ensure that the user has the necessary permissions to access the SAM database class.
  Adjust the roles or permissions as needed.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of GTS or APO you are using for any known issues or additional troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant logs.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or patches related to this error message.
  System Logs: Review system logs (transaction SLG1) for additional error messages or warnings that may provide more context.
  Community 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 and resolve the cause of the GHO_ALLOC103 error in your SAP system.