Meetings default value not working

Hi, when I set a default value for a meeting, it's not working. No error, just not working.

In studio :

When I create a new meeting :

I tried a repair but no luck.

I found this post : Errors when setting a default date value for meetings in 7.2 which can help me, but I would like to know first if I can make it work without code modification.

Thanks,

Jonathan