How To Fix WL048 - tRFC with errors: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 048

• Message text: tRFC with errors: &1

What causes this issue?

The transactional tRFC with the identifier &VA2& is still in the SM58
queue. It has the following status text:
"&VA1&"

System Response

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

How to fix this error?

Analyze and correct the error.

Procedure for System Administrators

After you have resolved the error, you must restart the entry in the
SM58 queue. It is also possible to delete the tRFC entry. The workflow
system job SWWERRE will create a new tRFC in this case.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WL048 - tRFC with errors: &1 ?

  The SAP error message WL048 indicates that there is an issue with a transactional RFC (tRFC) call. The message typically states that there are errors associated with the tRFC, and the placeholder &1 will be replaced with specific error details or identifiers related to the failed tRFC call.
  Cause:
  The causes of the WL048 error can vary, but common reasons include:
  
  Network Issues: Problems with the network connection between the systems involved in the tRFC call.
  Configuration Errors: Incorrect configuration of the RFC destination or the logical system settings.
  Authorization Issues: The user or system may not have the necessary authorizations to execute the tRFC.
  System Load: High system load or performance issues can lead to timeouts or failures in processing tRFC calls.
  Data Issues: Invalid or inconsistent data being sent in the tRFC call can cause it to fail.
  Target System Unavailability: The target system may be down or not reachable.
  
  Solution:
  To resolve the WL048 error, you can follow these steps:
  
  
  Check tRFC Queue: Use transaction SM58 to check the tRFC queue for any entries that have failed. This transaction will provide details about the failed calls and their status.
  
  
  Analyze Error Details: Look at the specific error messages associated with the failed tRFC calls. This can provide insights into what went wrong.
  
  
  Check Network Connectivity: Ensure that there are no network issues between the systems involved. You can use tools like ping or traceroute to verify connectivity.
  
  
  Review Configuration: Verify the configuration of the RFC destination in transaction SM59. Ensure that the settings are correct and that the logical system names are properly defined.
  
  
  Check Authorizations: Ensure that the user or system executing the tRFC has the necessary authorizations to perform the operation.
  
  
  Monitor System Performance: Check the performance of the SAP system to ensure that it is not overloaded. You can use transaction ST03N to analyze performance metrics.
  
  
  Data Validation: Validate the data being sent in the tRFC call to ensure it is correct and complete.
  
  
  Retry the tRFC: After addressing the issues, you can retry the tRFC call from the SM58 transaction.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM58: tRFC Queue Monitoring
  SM59: RFC Destination Configuration
  ST22: Dump Analysis (for ABAP runtime errors)
  SLG1: Application Log (to check for logs related to the tRFC)
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to tRFC and the WL048 error.
  
  
  Documentation: Review SAP documentation on tRFC and error handling for more detailed information on troubleshooting and best practices.
  
  
  By following these steps, you should be able to identify and resolve the underlying issues causing the WL048 error in your SAP system.