How To Fix /STMC/CR_MSG051 - Error while retrieving connection (type=&1;subtype=&2;usage=&3) from &4

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 051

• Message text: Error while retrieving connection (type=&1;subtype=&2;usage=&3) from &4

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 /STMC/CR_MSG051 - Error while retrieving connection (type=&1;subtype=&2;usage=&3) from &4 ?

  The SAP error message /STMC/CR_MSG051 indicates that there was an issue retrieving a connection of a specific type, subtype, and usage from a specified source. This error typically occurs in the context of SAP Landscape Management (LaMa) or when dealing with connections in SAP systems, such as database connections or connections to other SAP systems.
  Cause
  The error can be caused by several factors, including:
  
  
  Configuration Issues: The connection might not be properly configured in the system. This could involve incorrect parameters or missing entries in the configuration tables.
  
  
  Network Issues: There may be network connectivity problems preventing the SAP system from reaching the target system or database.
  
  
  Authorization Problems: The user or service account attempting to retrieve the connection may not have the necessary authorizations to access the connection.
  
  
  Service Availability: The target service or database might be down or not available, leading to a failure in establishing the connection.
  
  
  Incorrect Connection Type/Subtype: The specified connection type or subtype may not exist or may be incorrectly specified in the request.
  
  
  Solution
  To resolve the error, you can take the following steps:
  
  
  Check Configuration:
  
  Verify the connection settings in the SAP system. Ensure that the connection type, subtype, and usage are correctly defined.
  Check the relevant configuration tables (e.g., TMS, RFC destinations) to ensure that the connection is properly set up.
  
  
  
  Test Connectivity:
  
  Use tools like ping or telnet to check network connectivity to the target system or database.
  If applicable, use transaction codes like SM59 to test RFC connections and ensure they are working correctly.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to access the connection. This may involve checking roles and profiles assigned to the user.
  
  
  
  Check Service Status:
  
  Verify that the target service or database is up and running. If it is down, you may need to restart the service or contact the database administrator.
  
  
  
  Review Logs:
  
  Check the SAP system logs (transaction SM21) and application logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific connection type and subtype for any known issues or additional troubleshooting steps.
  
  
  
  Related Information
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Help Portal: Utilize the SAP Help Portal for detailed documentation on connection management and troubleshooting in SAP systems.
  
  If the issue persists after following these steps, consider reaching out to SAP Support for further assistance.