How To Fix GBW010 - Communication error occurred with an RFC

SAP Error Message - Details

• Message type: E = Error

• Message class: GBW - SAP Consolidation interface to BW

• Message number: 010

• Message text: Communication error occurred with an RFC

What causes this issue?

A communication error occurred with an RFC.

System Response

The process was canceled.

How to fix this error?

Check the functionality of your network as well as the accessibility of
all systems included in the RFC.

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 GBW010 - Communication error occurred with an RFC ?

  The SAP error message GBW010 indicates that there is a communication error with a Remote Function Call (RFC). This error can occur in various scenarios, such as when trying to connect to an external system or when there are issues with the network or configuration settings.
  Causes of GBW010 Error
  
  
  Network Issues: Problems with the network connection between the SAP system and the external system can lead to this error. This could be due to firewalls, routing issues, or network outages.
  
  
  RFC Destination Configuration: The RFC destination may not be configured correctly. This includes incorrect settings for the target system, such as the hostname, system number, client, user credentials, etc.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  SAP System Issues: The target SAP system may be down or experiencing issues, which can prevent successful communication.
  
  
  Version Compatibility: There may be compatibility issues between the SAP systems involved, especially if they are running different versions.
  
  
  Solutions to GBW010 Error
  
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the SAP system and the target system. You can use tools like ping or traceroute to diagnose network issues.
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination that is causing the error.
  Ensure that the connection parameters (like hostname, system number, client, user, and password) are correct.
  Test the connection using the "Test Connection" button in the RFC destination configuration.
  
  
  
  Check User Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations in both the source and target systems.
  
  
  Check Target System Status: Verify that the target SAP system is up and running. You can check the system status using transaction SM51 or by logging into the target system directly.
  
  
  Review Logs: Check the system logs for any additional error messages that may provide more context about the communication failure. You can use transaction SM21 to view the system log.
  
  
  Consult SAP Notes: Look for any relevant SAP Notes that may address known issues related to RFC communication errors. You can search for notes in the SAP Support Portal.
  
  
  Firewall and Security Settings: Ensure that any firewalls or security settings are not blocking the RFC communication. You may need to work with your network/security team to verify this.
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  SM51: List of SAP Systems
  ST22: Dump Analysis (for ABAP runtime errors)
  
  
  
  SAP Documentation: Refer to the official SAP documentation for more detailed information on RFC communication and troubleshooting.
  
  
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to diagnose and resolve the GBW010 communication error with an RFC in your SAP environment.