Fatal error: Uncaught TypeError: array_walk_recursive(): Argument #1 ($array) must be of type array, null given in /var/www/shop/custom/plugins/WbmTagManager/Services/TagManagerVariables.php:125
Stack trace:
#0 /var/www/shop/custom/plugins/WbmTagManager/Services/TagManagerVariables.php(125): array_walk_recursive()
#1 /var/www/shop/custom/plugins/WbmTagManager/Subscriber/Frontend/Dispatch.php(186): WbmTagManager\Services\TagManagerVariables->render()
#2 /var/www/shop/custom/plugins/WbmTagManager/Subscriber/Frontend/Dispatch.php(81): WbmTagManager\Subscriber\Frontend\Dispatch->handleDispatch()
#3 /var/www/shop/engine/Library/Enlight/Event/Handler/Default.php(90): WbmTagManager\Subscriber\Frontend\Dispatch->onPostDispatch()
#4 /var/www/shop/engine/Library/Enlight/Event/EventManager.php(207): Enlight_Event_Handler_Default->execute()
#5 /var/www/shop/engine/Library/Enlight/Controller/Action.php(207): Enlight_Event_EventManager->notify()
#6 /var/www/shop/engine/Library/Enlight/Controller/Dispatcher/Default.php(467): Enlight_Controller_Action->dispatch()
#7 /var/www/shop/engine/Library/Enlight/Controller/Front.php(226): Enlight_Controller_Dispatcher_Default->dispatch()
#8 /var/www/shop/engine/Shopware/Kernel.php(195): Enlight_Controller_Front->dispatch()
#9 /var/www/shop/vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php(85): Shopware\Kernel->handle()
#10 /var/www/shop/vendor/symfony/http-kernel/HttpCache/HttpCache.php(479): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle()
#11 /var/www/shop/engine/Shopware/Components/HttpCache/AppCache.php(270): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward()
#12 /var/www/shop/vendor/symfony/http-kernel/HttpCache/HttpCache.php(399): Shopware\Components\HttpCache\AppCache->forward()
#13 /var/www/shop/vendor/symfony/http-kernel/HttpCache/HttpCache.php(352): Symfony\Component\HttpKernel\HttpCache\HttpCache->validate()
#14 /var/www/shop/engine/Shopware/Components/HttpCache/AppCache.php(196): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup()
#15 /var/www/shop/vendor/symfony/http-kernel/HttpCache/HttpCache.php(224): Shopware\Components\HttpCache\AppCache->lookup()
#16 /var/www/shop/engine/Shopware/Components/HttpCache/AppCache.php(117): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle()
#17 /var/www/shop/shopware.php(122): Shopware\Components\HttpCache\AppCache->handle()
#18 {main}
thrown in /var/www/shop/custom/plugins/WbmTagManager/Services/TagManagerVariables.php on line 125