How To Fix FINB_LG001 - Communication error -> long text

SAP Error Message - Details

• Message type: E = Error

• Message class: FINB_LG - Financial Basis: Activation of Languages

• Message number: 001

• Message text: Communication error -> long text

What causes this issue?

There was a communication error when executing RFC modules
RFC connection: &V1&
Error message: &V2&

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?

Search for program terminations in the target system of the RFC call
under the user, who is entered in the RFC connection (transaction ST22).

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 FINB_LG001 - Communication error -> long text ?

  The SAP error message FINB_LG001, which indicates a "Communication error," typically arises in the context of financial transactions or processes that involve communication between different systems or components within the SAP environment. This error can occur for various reasons, including network issues, configuration problems, or issues with the underlying application logic.
  Causes:
  
  Network Issues: Temporary network outages or connectivity problems between the SAP system and external systems (like third-party applications or databases).
  Configuration Errors: Incorrect settings in the SAP system, such as RFC (Remote Function Call) destinations, which can prevent successful communication.
  System Performance: High load on the SAP system or the external system can lead to timeouts and communication failures.
  Authorization Issues: Lack of proper authorizations for the user or system trying to perform the communication.
  Service Availability: The external service or system may be down or not responding.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues affecting communication. You can use tools like ping or traceroute to diagnose connectivity problems.
  Review Configuration: Verify the configuration of RFC destinations in transaction SM59. Ensure that the settings are correct and that the target system is reachable.
  Monitor System Performance: Check the performance of both the SAP system and any external systems involved. Look for any bottlenecks or high resource usage that could be causing delays.
  Check Authorizations: Ensure that the user or system has the necessary authorizations to perform the communication. This can be checked in transaction SU53 or by reviewing user roles and profiles.
  Consult Logs: Review the application logs (transaction SLG1) and system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the issue.
  Retry the Operation: If the error was due to a temporary issue, retrying the operation after a short period may resolve the problem.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the specific module or functionality you are working with, as it may contain information on common issues and their resolutions.
  Community Forums: Engage with the SAP Community or other forums where SAP professionals discuss similar issues. You may find others who have encountered and resolved the same error.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.