Fatal error: Uncaught Error: Call to a member function query() on null in /home/jonchalk/public_html/trackwork_247/development/tw_247.php:4284 Stack trace: #0 /home/jonchalk/public_html/trackwork_247/development/logout.php(8): delete_lock(NULL, 'ALL', 'EXCLUSIVE') #1 {main} thrown in /home/jonchalk/public_html/trackwork_247/development/tw_247.php on line 4284