Fatal error: Uncaught Error: Call to a member function toArray() on null in /home/azachie/public_html/daily-sudoku.com/application/modules/dailysudoku/controllers/IndexController.php:167 Stack trace: #0 /home/azachie/public_html/daily-sudoku.com/library/Zend/Controller/Action.php(513): Dailysudoku_IndexController->solveonlineAction() #1 /home/azachie/public_html/daily-sudoku.com/library/Zend/Controller/Dispatcher/Standard.php(289): Zend_Controller_Action->dispatch('solveonlineActi...') #2 /home/azachie/public_html/daily-sudoku.com/library/Zend/Controller/Front.php(946): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #3 /home/azachie/public_html/daily-sudoku.com/library/Zend/Application/Bootstrap/Bootstrap.php(77): Zend_Controller_Front->dispatch() #4 /home/azachie/public_html/daily-sudoku.com/library/Zend/Application.php(335): Zend_Application_Bootstrap_Bootstrap->run() #5 /home/azachie/public_html/daily-sudoku.com/index.php(48): Zend_Application- in /home/azachie/public_html/daily-sudoku.com/application/modules/dailysudoku/controllers/IndexController.php on line 167