How To Fix FSBP_TC115 - Communication error in application &1; RFC destination &2 (&3 &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: FSBP_TC -

• Message number: 115

• Message text: Communication error in application &1; RFC destination &2 (&3 &4)

What causes this issue?

RFC access to destination &V2& is not possible. For this reason, data
cannot be read for the <DS:DE.BP_TC_DTE_APPL>application</> &V1&.

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?

Inform your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FSBP_TC115 - Communication error in application &1; RFC destination &2 (&3 &4) ?

  The SAP error message FSBP_TC115 indicates a communication error in the application, specifically related to the RFC (Remote Function Call) destination. This error can occur in various scenarios, such as when trying to connect to an external system or when there are issues with the configuration of the RFC destination.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  RFC Destination Configuration: The RFC destination may not be configured correctly. This includes incorrect parameters such as the target host, system number, client, user credentials, etc.
  Authorization Issues: The user credentials used in the RFC destination may not have the necessary authorizations to access the target system.
  Target System Down: The target system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls may be blocking the communication between the SAP system and the target system.
  SAP Gateway Issues: Problems with the SAP Gateway configuration or service may also lead to communication errors.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the target system is stable and operational. You can use tools like ping or traceroute to diagnose network issues.
  Verify RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination mentioned in the error message.
  Ensure that the connection parameters (like target host, system number, client, etc.) are correct.
  
  
  Test RFC Connection: In transaction SM59, select the RFC destination and use the "Test Connection" option to verify if the connection can be established successfully.
  Check User Authorizations: Ensure that the user credentials used in the RFC destination have the necessary authorizations to access the target system.
  Check Target System Status: Verify that the target system is up and running. If it is down, coordinate with the relevant team to bring it back online.
  Review Firewall Settings: If applicable, check the firewall settings to ensure that they are not blocking the required ports for RFC communication.
  Check SAP Gateway: Ensure that the SAP Gateway is running properly. You can check the status of the gateway using transaction SMGW.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations (Display and Maintain)
  SMGW: Gateway Monitor
  SICF: Maintain HTTP Services (for web services)
  
  
  Logs and Traces: Check the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages that may provide more context.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the error message.
  
  By following these steps, you should be able to diagnose and resolve the communication error indicated by the FSBP_TC115 message.