How To Fix /IWNGW/CM_HUB017 - RFC Error: System error

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWNGW/CM_HUB -

• Message number: 017

• Message text: RFC Error: System error

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /IWNGW/CM_HUB017 - RFC Error: System error ?

  The SAP error message /IWNGW/CM_HUB017 RFC Error: System error typically indicates an issue with the Remote Function Call (RFC) communication between systems. This error can arise due to various reasons, including configuration issues, network problems, or system resource limitations. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Network Issues: Problems with the network connection between the SAP systems can lead to RFC errors.
  Configuration Errors: Incorrect settings in the RFC destination or in the SAP Gateway configuration can cause communication failures.
  System Resource Limitations: Insufficient memory or CPU resources on the SAP system can lead to errors during processing.
  Authorization Issues: The user or service account used for the RFC connection may not have the necessary authorizations.
  Service Unavailability: The target system or service may be down or not reachable.
  Version Compatibility: Incompatibility between different SAP versions or components can lead to RFC errors.
  
  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 RFC Destination Configuration: 
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Test the connection to ensure it is working correctly.
  
  
  Monitor System Resources: Use transaction SM50 or SM66 to check for any performance issues or resource bottlenecks on the SAP system.
  Check Authorizations: Ensure that the user or service account has the necessary authorizations to perform the required actions.
  Review System Logs: Check the system logs (transaction SM21) and the developer trace files (transaction ST11) for any additional error messages or clues.
  Restart Services: If the target system is down, restart the necessary services or check if the system is up and running.
  Update SAP Components: Ensure that all relevant SAP components are up to date and compatible with each other.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error.
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  ST01: System Trace
  SM50/SM66: Process Overview
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.