How To Fix CLB659 - Connectivity error occurred

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB - SAIL: Common messages

• Message number: 659

• Message text: Connectivity error occurred

What causes this issue?

During communication with the service provider an error has occurred.
The reason for the error is mentioned in one of the exceptions of the
exception object chain.

System Response

The execution of the method is terminated.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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 CLB659 - Connectivity error occurred ?

  The SAP error message CLB659, which indicates a "Connectivity error occurred," typically arises in the context of SAP Cloud Platform or SAP Business Technology Platform when there are issues with connectivity to a service or system. This error can occur for various reasons, and understanding the cause is essential for troubleshooting.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target service or system.
  Service Unavailability: The service you are trying to connect to may be down or experiencing issues.
  Incorrect Configuration: The connection settings (such as URL, authentication credentials, or proxy settings) may be incorrect.
  Firewall Restrictions: Firewalls or security groups may be blocking the connection to the external service.
  SSL/TLS Issues: Problems with SSL certificates or TLS settings can prevent secure connections.
  Timeouts: The connection may be timing out due to slow response times from the target service.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection is stable and that there are no issues with the internet or intranet connectivity.
  Verify Service Status: Check if the target service is up and running. You can do this by accessing the service directly through a browser or using tools like ping or curl.
  Review Configuration Settings: Double-check the connection settings in your SAP system. Ensure that the URL, authentication credentials, and any other parameters are correct.
  Inspect Firewall Settings: If applicable, review firewall rules to ensure that they allow traffic to and from the target service.
  Check SSL/TLS Configuration: If you are using HTTPS, verify that the SSL certificates are valid and properly configured. Ensure that the correct TLS version is being used.
  Increase Timeout Settings: If the connection is timing out, consider increasing the timeout settings in your connection configuration.
  Consult Logs: Review the application logs for more detailed error messages that can provide additional context about the connectivity issue.
  
  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.
  Documentation: Refer to the official SAP documentation for the specific service or integration you are working with, as it may contain specific guidelines for connectivity issues.
  Community Forums: Engage with the SAP Community or other forums where users may have encountered similar issues and can share their solutions.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.