Warning: Undefined array key "registered" in /home/.sites/41/site466/web/staa/inc.classes/class.event.php on line 350

Fatal error: Uncaught Error: Call to a member function format() on false in /home/.sites/41/site466/web/staa/inc.classes/class.event.php:104
Stack trace:
#0 /home/.sites/41/site466/web/inc.events.php(87): event->getStartDateF()
#1 /home/.sites/41/site466/web/events.php(13): require('/home/.sites/41...')
#2 {main}
  thrown in /home/.sites/41/site466/web/staa/inc.classes/class.event.php on line 104