Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, WkOnePageCheckOut given in /home/greyrobin/public_html/classes/module/Module.php:343 Stack trace: #0 /home/greyrobin/public_html/modules/wkonepagecheckout/wkonepagecheckout.php(43): ModuleCore->__construct() #1 [internal function]: WkOnePageCheckOut->__construct() #2 /home/greyrobin/public_html/src/Core/Foundation/IoC/Container.php(123): ReflectionClass->newInstance() #3 /home/greyrobin/public_html/src/Core/Foundation/IoC/Container.php(153): PrestaShop\PrestaShop\Core\Foundation\IoC\Container->makeInstanceFromClassName('wkonepagechecko...', Array) #4 /home/greyrobin/public_html/src/Core/Foundation/IoC/Container.php(166): PrestaShop\PrestaShop\Core\Foundation\IoC\Container->doMake('wkonepagechecko...', Array) #5 /home/greyrobin/public_html/src/Adapter/ServiceLocator.php(65): PrestaShop\PrestaShop\Core\Foundation\IoC\Container->make('wkonepagechecko...') #6 /home/greyrobin/public_html/classes/module/Module.php(1170): PrestaShop\PrestaShop\Adapter\ServiceLocator::get('wkonepagechecko...') #7 /home/greyrobin/public_html/classes/module/Module.php(1149): ModuleCore::coreLoadModule('wkonepagechecko...') #8 /home/greyrobin/public_html/classes/Hook.php(904): ModuleCore::getInstanceByName('wkonepagechecko...') #9 /home/greyrobin/public_html/classes/Dispatcher.php(596): HookCore::exec('moduleRoutes', Array, NULL, true, false) #10 /home/greyrobin/public_html/classes/Dispatcher.php(249): DispatcherCore->loadRoutes() #11 /home/greyrobin/public_html/classes/Dispatcher.php(207): DispatcherCore->__construct(Object(Symfony\Component\HttpFoundation\Request)) #12 /home/greyrobin/public_html/index.php(28): DispatcherCore::getInstance() #13 {main} thrown in /home/greyrobin/public_html/classes/module/Module.php on line 343