How To Fix SB134 - No connection selected

SAP Error Message - Details

• Message type: E = Error

• Message class: SB - Version Management Messages

• Message number: 134

• Message text: No connection selected

What causes this issue?

No connection was selected.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

For a REMOTE comparison, choose an connection from the list offered.
If the connection which you want is not in the list, contact your
system administrator who maintains the list of Remote Function Call
destinations (table RFCDES).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SB134 - No connection selected ?

  The SAP error message SB134 "No connection selected" typically occurs when a user attempts to execute a transaction or function that requires a connection to a specific system or database, but no valid connection has been established or selected.
  Causes:
  
  No Active Connection: The user has not selected a valid connection to the SAP system.
  Connection Configuration Issues: The connection settings in the SAP GUI or the configuration files may be incorrect or missing.
  User Authorization: The user may not have the necessary authorizations to access the selected connection.
  Network Issues: There may be network connectivity problems preventing the connection to the SAP system.
  SAP GUI Issues: The SAP GUI may not be properly configured or may have encountered an error.
  
  Solutions:
  
  
  Select a Connection:
  
  Open the SAP GUI and ensure that you have selected a valid connection from the list of available connections. You can do this by clicking on the "SAP Logon" pad and selecting the appropriate system.
  
  
  
  Check Connection Configuration:
  
  Verify that the connection settings (such as the application server, instance number, and system ID) are correctly configured in the SAP Logon pad. If necessary, consult with your SAP Basis team to ensure that the connection details are accurate.
  
  
  
  User Authorization:
  
  Ensure that your user account has the necessary authorizations to access the selected SAP system. If you suspect authorization issues, contact your system administrator.
  
  
  
  Network Connectivity:
  
  Check your network connection to ensure that you can reach the SAP server. You can try pinging the server or accessing it through other means to confirm connectivity.
  
  
  
  Reinstall or Update SAP GUI:
  
  If the issue persists, consider reinstalling or updating the SAP GUI to the latest version. Sometimes, bugs or configuration issues in the GUI can lead to connection problems.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions to common issues.
  
  
  
  Related Information:
  
  SAP Support: If the problem continues after trying the above solutions, consider reaching out to SAP Support for further assistance.
  Documentation: Review the SAP Help Portal for documentation related to connection issues and troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the SB134 error and establish a successful connection to your SAP system.