How To Fix CACS_STD250 - Unexpected status of RFC layer: Object &1 in &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CACS_STD - Higher Level Messages for Standard Contract

• Message number: 250

• Message text: Unexpected status of RFC layer: Object &1 in &2

What causes this issue?

The system has detected an unexpected status for the RFC layer and
cannot continue processing.

System Response

The process is canceled.

How to fix this error?

Contact your system administrator for an analysis and solution to the
problem.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CACS_STD250 - Unexpected status of RFC layer: Object &1 in &2 ?

  The SAP error message CACS_STD250 with the description "Unexpected status of RFC layer: Object &1 in &2" typically indicates an issue with the Remote Function Call (RFC) communication between SAP systems or between an SAP system and an external system. This error can arise due to various reasons, including network issues, configuration problems, or issues with the RFC destination.
  Causes:
  
  Network Issues: There may be connectivity problems between the SAP systems or between the SAP system and the external system.
  RFC Destination Configuration: The RFC destination may not be configured correctly, or it may be pointing to an incorrect or inactive target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Load: High load on the system can lead to timeouts or unexpected behavior in the RFC layer.
  System Configuration: Incorrect settings in the SAP system configuration related to the RFC layer.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems involved. You can use tools like ping or telnet to check connectivity.
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination that is causing the issue.
  Test the connection using the "Test Connection" button to ensure it is working correctly.
  
  
  Review Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations to perform the required actions.
  Monitor System Load: Check the system performance and load. If the system is under heavy load, consider optimizing performance or scheduling jobs during off-peak hours.
  Check System Logs: Review 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.
  Restart RFC Services: If the issue persists, consider restarting the relevant RFC services or the SAP system itself, if feasible.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes 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.
  Documentation: Review the official SAP documentation for RFC and related components to ensure that your configuration aligns with best practices.
  
  If the problem continues after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.