Hello,
I don’t know if this reply will reach you as I haven’t used this forum for several years….
You say that you haven’t modified anything but clearly *something* has changed.
A quick look at your html source code shows that the path to the JavaScript and CSS files is wrong. You currently have this:
WLingiGetar/ac-contents/themes/default/css/avail-calendar.css
Whereas, based on where you have the calendar placed, this path should be:
/calendar/ac-contents/themes/default/css/avail-calendar.css
You can modify this path (only the part in bold needs to be defined) via the calendar admin panel:
ac-admin > config > path
Let me know if you need any more help.
Regards,
Chris Bolson