How To Fix LAW2_MESSAGES181 - Target system &1: Error number could not be written for RFC action

SAP Error Message - Details

• Message type: E = Error

• Message class: LAW2_MESSAGES - LAW 2.0 Message Class

• Message number: 181

• Message text: Target system &1: Error number could not be written for RFC action

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 LAW2_MESSAGES181 - Target system &1: Error number could not be written for RFC action ?

  The SAP error message LAW2_MESSAGES181 indicates that there was an issue with writing an error number for an RFC (Remote Function Call) action in the target system. This error typically arises in the context of system landscape management, particularly when dealing with system copies, system refreshes, or landscape management tasks.
  Causes:
  
  RFC Connection Issues: The target system may not be reachable due to network issues, incorrect configuration, or the target system being down.
  Authorization Problems: The user executing the action may not have the necessary authorizations to perform the operation in the target system.
  Configuration Errors: There may be misconfigurations in the RFC destination settings or in the landscape management configuration.
  System Lock: The target system might be locked or in a state that prevents writing error numbers or logs.
  Transport Directory Issues: Problems with the transport directory or transport management system can also lead to this error.
  
  Solutions:
  
  
  Check RFC Connection:
  
  Verify that the RFC connection to the target system is correctly configured and active. You can do this using transaction SM59 in the SAP GUI.
  Test the connection to ensure it is working properly.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the action has the necessary authorizations in both the source and target systems. Check roles and profiles assigned to the user.
  
  
  
  Check System Status:
  
  Ensure that the target system is up and running. Check for any maintenance activities or downtimes that might affect connectivity.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the landscape management tool to ensure that everything is set up correctly.
  Look for any inconsistencies in the system landscape configuration.
  
  
  
  Check Transport Directory:
  
  Ensure that the transport directory is correctly set up and accessible. Check for any issues with transport requests that might be causing the error.
  
  
  
  Logs and Traces:
  
  Review the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages that might provide more context about the issue.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that might address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59 (RFC Destinations)
  ST22 (Dump Analysis)
  SM21 (System Log)
  SCC1 (Client Copy)
  
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with detailed information about the error and the steps you have already taken.
  
  
  By following these steps, you should be able to diagnose and resolve the error LAW2_MESSAGES181 effectively.