How To Fix UCS0186 - RFC error in task &1 (package &2); see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 186

• Message text: RFC error in task &1 (package &2); see long text

What causes this issue?

An error occurred during asynchronous processing of task &V1& over the
RFC connection of consolidation unit package &V2&.

System Response

Thus, the task &V1& could not be executed properly, nor be blocked for
the consolidation units of package &V2&.

How to fix this error?

If applicable, execute task &V1& again in the consolidation monitor.
For information about configuring the system for asynchronous
processing, see also SAP Note 761274.

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 UCS0186 - RFC error in task &1 (package &2); see long text ?

  The SAP error message UCS0186 indicates an RFC (Remote Function Call) error that occurred during the execution of a task in a specific package. This error can arise due to various reasons, and understanding the cause and potential solutions is essential for troubleshooting.
  Cause:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the RFC call.
  Configuration Errors: Incorrect configuration of the RFC destination or the related settings in the SAP system can lead to this error.
  Authorization Issues: The user executing the RFC call may not have the necessary authorizations to perform the task.
  System Load: High system load or performance issues can cause timeouts or failures in executing the RFC calls.
  Transport Issues: If the task is related to a transport request, issues with the transport system or the transport directory can also lead to this error.
  
  Solution:
  
  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 RFC Destination Configuration: Go to transaction SM59 and check the configuration of the RFC destination. Ensure that the settings (like target host, system number, client, etc.) are correct.
  Check Authorizations: Verify that the user has the necessary authorizations to execute the RFC function. You can use transaction SU53 to analyze authorization issues.
  Monitor System Performance: Use transaction SM50 or SM66 to monitor the system's performance and check for any long-running processes or high resource usage.
  Review Logs: Check the system logs (transaction SM21) and the developer trace (transaction ST22) for any additional error messages or information that can help diagnose the issue.
  Transport Management: If the error is related to a transport request, ensure that the transport directory is correctly set up and that there are no issues with the transport management system.
  
  Related Information:
  
  Long Text: The long text associated with the error message may provide additional context or specific details about the error. You can view this by clicking on the message in the SAP GUI.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engaging with the SAP Community forums can also provide insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the UCS0186 RFC error and implement an appropriate solution.