Fatal error: Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: strip_tags() expects parameter 1 to be string, null given in /apps/sylius/src/Schema/Builder/ProductSchemaBuilder.php:45 Stack trace: #0 /apps/sylius/src/Schema/Builder/ProductSchemaBuilder.php(45): strip_tags(NULL) #1 /apps/sylius/vendor/emagma/schema-org-builder/src/Builder.php(41): App\Schema\Builder\ProductSchemaBuilder->build('Product', Array) #2 /apps/sylius/vendor/emagma/schema-org-builder-bundle/src/Templating/Helper/SchemaOrgBuilderHelper.php(38): Emagma\SchemaOrgBuilder\Builder->build('Product', Array) #3 /apps/sylius/var/cache/prod/twig/75/75aec14c55c6f8d4d24a77ef7342fb7e260c05cda5a84324ba36712635dacffb.php(79): Emagma\SchemaOrgBuilderBundle\Templating\Helper\SchemaOrgBuilderHelper->getSchemaAsScript('Product', Array) #4 /apps/sylius/vendor/twig/twig/src/Template.php(184): __TwigTemplate_128c17301469b76821f6a283ca715d5aa0c93a196afb634865ffc9cfe02c37e8->block_json_ld(Array, Array) #5 /apps/sylius/var/cache/prod/twig/d3/d32dcfa95b952f5f0 in /apps/sylius/src/Schema/Builder/ProductSchemaBuilder.php on line 45