Undefined information when hovering over an event in Calendar view

[ilieandriuta]

STEPS TO REPRODUCE

1. Click on Meeting App from Apps Panel
2. Add some meeting events (with different durations)
3. On Meetings Homepage, click on Calendar
4. Navigate to the meeting events (if the case)
5. Hover with the mouse cursor over the meeting events

EXPECTED RESULTS

The hover box displays information about the Status, Location and Description for each meeting.

ACTUAL RESULTS

Instead of the relevant information, the Status, Location and Description display: 'undefined'.

Environment: Windows 10 Pro 64-bit, Edge 17, using a local instance of XWiki 10.10 on PostgreSQL 10.