My ArtCalendar doesn't work...
When i choose Components > Art_Calendar (and all sub menu) his error is displayed:
0 Too few arguments to function ArtCalendarController::addSubmenu(), 0 passed in xxxx/administrator/components/com_artcalendar/artcalendar.php on line 24 and exactly 1 expected
I have Joomla 3.8.
Thank for your support!
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