Fatal error: Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: Call to a member function isIncludeTaxFlag() on null in /home/famfam/famfam.pet/public_html/app/Plugin/TaxManagement/TemplateLayoutListener.php:539 Stack trace: #0 /home/famfam/famfam.pet/public_html/app/Plugin/TaxManagement/TemplateLayoutListener.php(101): Plugin\TaxManagement\TemplateLayoutListener->_getPrice02AdditionalClass(NULL) #1 /home/famfam/famfam.pet/public_html/vendor/symfony/event-dispatcher/EventDispatcher.php(214): Plugin\TaxManagement\TemplateLayoutListener->onKernelResponse(Object(Symfony\Component\HttpKernel\Event\FilterResponseEvent), 'kernel.response', Object(Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher)) #2 /home/famfam/famfam.pet/public_html/vendor/symfony/event-dispatcher/EventDispatcher.php(44): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'kernel.response', Object(Symfony\Component\HttpKernel\Event\FilterResponseEvent)) #3 /home/famfam/famfam.pet/public_html/vendor/symfony/http-ke in /home/famfam/famfam.pet/public_html/app/Plugin/TaxManagement/TemplateLayoutListener.php on line 539