How To Fix LAW2_MESSAGES179 - System &1: Entry 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: 179

• Message text: System &1: Entry 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_MESSAGES179 - System &1: Entry could not be written for RFC action ?

  The SAP error message LAW2_MESSAGES179, which states "System &1: Entry could not be written for RFC action," typically indicates an issue with Remote Function Call (RFC) communication between systems. This error can occur in various scenarios, such as during data transfer, system synchronization, or when executing remote function modules.
  Causes:
  
  Network Issues: There may be network connectivity problems between the systems involved in the RFC communication.
  Authorization Issues: The user or system may not have the necessary authorizations to perform the RFC action.
  Configuration Errors: Incorrect configuration of RFC destinations or settings in the SAP system can lead to this error.
  System Load: High system load or performance issues may prevent the successful execution of the RFC call.
  Data Issues: The data being sent may not meet the expected format or constraints, leading to a failure in writing the entry.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems involved. You can use tools like ping or traceroute to diagnose network issues.
  Review Authorizations: Verify that the user or system executing the RFC call has the necessary authorizations. Check the roles and profiles assigned to the user.
  Validate RFC Configuration: Go to transaction SM59 to check the configuration of the RFC destination. Ensure that the destination is correctly set up and that the connection test is successful.
  Monitor System Performance: Use transaction SM50 or SM66 to monitor system performance and check for any long-running processes that may be affecting the RFC call.
  Check Data Integrity: Review the data being sent in the RFC call to ensure it adheres to the expected format and constraints. Validate the data before sending it.
  Review Logs: Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  SLG1: Application Log
  SM50/SM66: Process Overview
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  Documentation: Review SAP documentation on RFC communication and troubleshooting for more detailed guidance.
  
  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.