Warning: Trying to access array offset on false in /Users/thecloud/sites/teacher/class/activity.class.php on line 119

Warning: Trying to access array offset on false in /Users/thecloud/sites/teacher/class/activity.class.php on line 120

Deprecated: htmlentities(): Passing null to parameter #1 ($string) of type string is deprecated in /Users/thecloud/sites/teacher/includes/function.php on line 87