You have chosen to have a multi-event app for your event. You have just created a new event on the app.
In this case, it is important to configure it's access. Ensure that the Event privacy is set to "Restricted users".
Why? Because when working with a multi event app it is important to identify the users so content can be adapted to their needs.
For example certain users are able to have a look at only 2 events on the multi-event app and others all the apps.
- Consult our site Event privacy: 3 modes for more information.