Error

You are working in a newly installed Fiori Launchpad on a S/4HANA system. In the developer tools some errors are shown in the network tab:

The FLP is trying to call a service: /sap/opu/odata4/iwngw/notification/default/iwngw/notification_srv/0001/

• Notifications
• GetBadgeNumber
• NotificationType
• Channels

The OData service response with HTTP 500. The error message states that a system alias is missing.

Root Cause

While the SAP support portal does not list much for CM_V4_COS/150, the messageg text contains the root cause and solution: “No system alias found for service /IWNGE/NOTIFICATION”

For this error, you can look at SAP Note 3512107 🔗 or SAP Note 3410024 🔗.

Open transaction /n/iwfnd/v4_admin.

The service is not published and no alias assigned.

Solution

The solution is to add an alias. The LOCAL alias is the default alias you can use to solve the problem.

In the top group, click on add.

In the wizard, provide the alias information. You can set the new alias as default.

After saving, the new alias is added. The service is now already working.

Result

Reload the FLP in the browser. No HTTP 500 errors related to the service are shown.