Error adding tracking event in App Mobile

Summary:

When we add a tracking event in the App Mobile, we receive the following error:

Content (please ensure you mask any confidential information):

We add the tracking event from 'Add Stop Event' or from 'Arrived', we add the event date, the event id and the location, but we keep receiving the same error, despite the Event Id.

Version (include the version you are using, if applicable):

24b

Code Snippet (add any code snippets that support your topic, if applicable):