How To Fix SB123 - Error in target system

SAP Error Message - Details

• Message type: E = Error

• Message class: SB - Version Management Messages

• Message number: 123

• Message text: Error in target system

What causes this issue?

An error occurred when attempting to execute a function module in
another SAP system. The target system may not be active.

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?

Check whether the target system is active. If it is, call version
management again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SB123 - Error in target system ?

  The SAP error message SB123, which indicates "Error in target system," typically occurs during the process of data transfer or communication between systems, such as during a remote function call (RFC) or when using the SAP Business Connector. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting.
  Possible Causes:
  
  Network Issues: There may be connectivity problems between the source and target systems, such as network outages or misconfigured network settings.
  Authorization Problems: The user or service account may not have the necessary permissions to perform the operation in the target system.
  Configuration Errors: Incorrect configuration settings in the RFC destination or in the target system can lead to this error.
  System Availability: The target system may be down for maintenance or experiencing performance issues.
  Data Issues: The data being sent may not conform to the expected format or may contain invalid values.
  Version Compatibility: There may be compatibility issues between different versions of SAP systems or components.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the source and target systems can communicate over the network. You can use tools like ping or traceroute to diagnose connectivity issues.
  Verify User Authorizations: Check the user roles and authorizations in the target system to ensure that the user has the necessary permissions to execute the required functions.
  Review RFC Destination Configuration: Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination. Ensure that the connection parameters are correct and that the connection test is successful.
  Check System Status: Verify that the target system is up and running. You can check the system logs or contact the system administrator for any ongoing issues.
  Validate Data: Review the data being sent to ensure it meets the expected format and constraints. Look for any anomalies or invalid entries.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: 
  
  SM59: For managing RFC destinations.
  ST22: For analyzing dumps that may provide more context on the error.
  SM21: For checking system logs for any related error messages.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP Support with detailed information about the error, including any logs or screenshots that can help diagnose the problem.
  
  By systematically checking these areas, you should be able to identify the root cause of the SB123 error and implement an appropriate solution.