Fatal error: Uncaught Twig\Error\RuntimeError: The "merge" filter expects a sequence or a mapping, got "null" for argument 1 in "product page/variation selector" at line 36. in /var/app/current/vendor/twig/twig/src/Extension/CoreExtension.php:730 Stack trace: #0 /var/app/current/vendor/twig/twig/src/Environment.php(420) : eval()'d code(132): Twig\Extension\CoreExtension::merge(NULL, Array) #1 /var/app/current/vendor/twig/twig/src/Template.php(402): __TwigTemplate_5ae4e300fa6ac35224f7d2a897153c7a->doDisplay(Array, Array) #2 /var/app/current/vendor/twig/twig/src/Environment.php(420) : eval()'d code(702): Twig\Template->yield(Array) #3 /var/app/current/vendor/twig/twig/src/Template.php(402): __TwigTemplate_2e0a86cb00f336f6ffe4df9ae4f0f639->doDisplay(Array, Array) #4 /var/app/current/vendor/twig/twig/src/Template.php(358): Twig\Template->yield(Array, Array) #5 /var/app/current/vendor/twig/twig/src/Template.php(373): Twig\Template->display(Array) #6 /var/app/current/vendor/twig/twig/src/TemplateWrapper.php(51): Twig\Template->render(Array) #7 /var/app/current/vendor/twig/twig/src/Environment.php(333): Twig\TemplateWrapper->render(Array) #8 /var/app/current/src/Core/Renderer/Template/Parse.php(54): Twig\Environment->render('template', Array) #9 /var/app/current/src/Core/Renderer/Renderer.php(32): Pwa\Core\Renderer\Template\Parse::get('