How To Fix CLB027 - No entry found for external service &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB - SAIL: Common messages

• Message number: 027

• Message text: No entry found for external service &2

What causes this issue?

You tried to select the notification filter settings for the platform
type &SYST-MSGV1& and the external service name &SYST-MSGV2&.

System Response

An exception is raised, as no entry could be found, either in table
CLBC_GW_NOTIFY nor in table CLBS_GW_NOTIFY.

How to fix this error?

You either have to enter the missing OData service in the Customizing
table, or accept the non-existence of the entry. In this case, the
exception should be caught.

Procedure for System Administrators

View CLBV_GW_NOTIFY_S enables you to define the internal SAP Customizing
settings.
View CLBV_GW_NOTIFY_C permits the definition of entries in customer
systems. These settings override entries the corresponding entries of
the SAP table.

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 CLB027 - No entry found for external service &2 ?

  The SAP error message CLB027: No entry found for external service &2 typically indicates that the system is unable to find a corresponding entry for an external service that is being referenced in a transaction or process. This can occur in various contexts, such as when working with external services in the SAP Cloud Platform or when integrating with third-party applications.
  Causes:
  
  Missing Configuration: The external service may not be properly configured in the system. This could mean that the service has not been registered or that the necessary parameters are missing.
  Incorrect Service Name: The service name or identifier being referenced may be incorrect or misspelled.
  Authorization Issues: The user may not have the necessary permissions to access the external service.
  Service Deactivation: The external service may have been deactivated or removed from the system.
  Network Issues: There may be connectivity issues preventing the system from reaching the external service.
  
  Solutions:
  
  Check Configuration: Verify that the external service is correctly configured in the SAP system. This includes checking the service registry and ensuring that all required parameters are set.
  Validate Service Name: Ensure that the service name or identifier being used is correct. Double-check for any typos or discrepancies.
  Review Authorizations: Check the user roles and authorizations to ensure that the user has the necessary permissions to access the external service.
  Service Status: Confirm that the external service is active and available. If it has been deactivated, you may need to reactivate it.
  Network Connectivity: Test the network connection to the external service to ensure that there are no connectivity issues. This may involve checking firewalls, proxies, or other network configurations.
  Consult Documentation: Refer to the SAP documentation or the specific documentation for the external service for any additional configuration steps or troubleshooting tips.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to check service configurations (e.g., SOAMANAGER for web service configurations).
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message CLB027.
  Logs and Traces: Review system logs and traces for more detailed error messages that may provide additional context for the issue.
  Support: If the issue persists, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue related to the CLB027 error message.