How To Fix GW014 - Error during communication; &1 / &2

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 014

• Message text: Error during communication; &1 / &2

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 GW014 - Error during communication; &1 / &2 ?

  The SAP error message GW014 ("Error during communication; &1 / &2") typically indicates a problem with the communication between the SAP system and an external system or service. This error can occur in various contexts, such as when using SAP Gateway, OData services, or when integrating with other applications.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the external service.
  Service Unavailability: The external service or endpoint may be down or not reachable.
  Configuration Errors: Incorrect configuration settings in the SAP system or the external service can lead to communication failures.
  Authorization Issues: The user or service account may not have the necessary permissions to access the external service.
  Timeouts: The request may be timing out due to slow response times from the external service.
  Protocol Mismatch: There may be a mismatch in the communication protocols being used (e.g., HTTP vs. HTTPS).
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the external service. You can use tools like ping or telnet to test connectivity.
  Verify Service Status: Check if the external service is up and running. If it is down, you may need to wait until it is restored.
  Review Configuration: Double-check the configuration settings in both the SAP system and the external service. Ensure that URLs, ports, and other parameters are correctly set.
  Check Authorizations: Ensure that the user or service account has the necessary permissions to access the external service.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the SAP system or the external service.
  Review Logs: Check the SAP application logs (transaction SLG1) and the external service logs for more detailed error messages that can provide additional context.
  Test with Postman or Curl: Use tools like Postman or Curl to manually test the API endpoint to see if it responds correctly outside of the SAP environment.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Use transaction codes like SM21 (System Log), SLG1 (Application Log), and ST22 (Dump Analysis) to gather more information about the error.
  SAP Gateway: If you are using SAP Gateway, ensure that the Gateway service is properly configured and running.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support or your system administrator for further assistance.