Fatal error: Uncaught Error: Call to a member function prepare() on null in /home/u706648698/domains/calltutors.com/public_html/resources/php/DatabaseIO.php:424
Stack trace:
#0 /home/u706648698/domains/calltutors.com/public_html/resources/php/DatabaseIO.php(76): DatabaseIO->Prepare('SELECT * FROM `...')
#1 /home/u706648698/domains/calltutors.com/public_html/resources/php/Functions.php(970): DatabaseIO->Select('subjects', '*', '', NULL, NULL, 'ORDER BY `Title...')
#2 /home/u706648698/domains/calltutors.com/public_html/resources/php/Functions.php(1027): Functions::GetSubjectArray(Object(DatabaseIO))
#3 /home/u706648698/domains/calltutors.com/public_html/AskAssignment.php(12): Functions::GetSubjectSelectionHTML()
#4 {main}
thrown in /home/u706648698/domains/calltutors.com/public_html/resources/php/DatabaseIO.php on line 424