How To Fix CLB2027 - No entry found for external service &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB2 - 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 &V1& and the external service name &V2&.

System Response

An exception is raised, as no entry could be found, neither in table
CLB2C_GW_NOTIFY nor in table CLB2S_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 CLB2V_GW_NOTIFYS enables you to define the internal SAP Customizing
settings.
View CLB2V_GW_NOTIFYC permits the definition of entries in customer
systems. These settings override entries the corresponding entries of
the SAP table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CLB2027 - No entry found for external service &2 ?

  The SAP error message CLB2027 ("No entry found for external service &2") typically occurs when the system is unable to find a corresponding entry for an external service that is being referenced in a transaction or process. This can happen 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 not set up correctly.
  Incorrect Service Name: The service name or identifier being referenced may be incorrect or misspelled.
  Authorization Issues: The user or system 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 or system 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.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to access service configurations (e.g., SOAMANAGER for web service configurations).
  Logs and Traces: Check system logs and traces for more detailed error messages that may provide additional context about the issue.
  SAP Notes: Look for relevant SAP Notes or Knowledge Base Articles that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the specific module or service you are working with to ensure that all setup steps have been followed.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.