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 16. 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(87): 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_67e736a137fb564cd2f0d83c261be6ac->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('<!--\n\nCache sta...', Object(Pwa\Core\App\App), 'template')
#10 /var/app/current/src/Core/Router.php(262): Pwa\Core\Renderer\Renderer->render()
#11 /var/app/current/src/index.php(143): Pwa\Core\Router->go()
#12 {main}
  thrown in /var/app/current/vendor/twig/twig/src/Extension/CoreExtension.php on line 730