How To Fix UCS0073 - RFC error in task &1; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 073

• Message text: RFC error in task &1; see long text

What causes this issue?

An error occurred during asynchronous RFC processing of task &V1&.
Likely causes for this problem can be the system utilization of the
system, or bottlenecks in system resources in parallel processing.

System Response

Thus, the task &V1& could not be executed properly, nor blocked.

How to fix this error?

If applicable, execute task &V1& again by itself 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 UCS0073 - RFC error in task &1; see long text ?

  The SAP error message UCS0073, which indicates an RFC (Remote Function Call) error in task &1, typically arises in scenarios where there is a communication issue between SAP systems or between an SAP system and an external system. This error can occur due to various reasons, including network issues, configuration problems, or authorization issues.
  Causes of UCS0073 RFC Error
  
  
  Network Issues: Problems with the network connection between the systems can lead to RFC errors. This could be due to firewalls, routing issues, or network outages.
  
  
  Configuration Problems: Incorrect configuration of RFC destinations in the SAP system can cause this error. This includes incorrect settings in transaction SM59 (RFC Destinations).
  
  
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to execute the requested function.
  
  
  System Availability: The target system may be down or not reachable, leading to an inability to establish an RFC connection.
  
  
  Timeouts: If the RFC call takes too long to respond, it may time out, resulting in this error.
  
  
  Version Compatibility: Incompatibility between different versions of SAP systems can also lead to RFC errors.
  
  
  Solutions to UCS0073 RFC Error
  
  
  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.
  
  
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Ensure that the connection type is correct (e.g., TCP/IP).
  Test the connection using the "Connection Test" option in SM59.
  
  
  
  Check User Authorizations: Ensure that the user ID used for the RFC call has the necessary authorizations to perform the requested action. You can check this in transaction SU01.
  
  
  Monitor System Availability: Check if the target system is up and running. You can use transaction SM51 to see the list of active application servers.
  
  
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the RFC destination configuration.
  
  
  Review Logs: Check the system logs (transaction SM21) and the developer trace files (transaction ST22) for any additional error messages that might provide more context.
  
  
  Consult SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SU01: User Maintenance
  SM21: System Log
  ST22: Dump Analysis
  SM51: List of Active Application Servers
  
  
  
  SAP Documentation: Refer to the official SAP Help Portal for detailed documentation on RFC and troubleshooting RFC errors.
  
  
  SAP Community: Engage with the SAP Community forums for insights and solutions shared by other users who may have encountered similar issues.
  
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP Basis team or consult SAP support for further assistance.