Fatal error: Uncaught Error: Call to undefined function wp_get_additional_image_sizes() in /home/customer/www/thefishnchipshop.com/public_html/wp-includes/media.php:63 Stack trace: #0 /home/customer/www/thefishnchipshop.com/public_html/wp-includes/media.php(266): image_constrain_size_for_editor(512, 512, 'full') #1 /home/customer/www/thefishnchipshop.com/public_html/wp-includes/media.php(953): image_downsize(6, 'full') #2 /home/customer/www/thefishnchipshop.com/public_html/wp-includes/media.php(1131): wp_get_attachment_image_src(6, 'full', false) #3 /home/customer/www/thefishnchipshop.com/public_html/wp-content/plugins/wordpress-seo/frontend/schema/class-schema-image.php(77): wp_get_attachment_image_url(6, 'full') #4 /home/customer/www/thefishnchipshop.com/public_html/wp-content/plugins/wordpress-seo/frontend/schema/class-schema-organization.php(68): WPSEO_Schema_Image->generate_from_attachment_id(6, 'Fish N' Chip Sh...') #5 /home/customer/www/thefishnchipshop.com/public_html/wp-content/plugins/wordpress-seo/frontend/sche in /home/customer/www/thefishnchipshop.com/public_html/wp-includes/media.php on line 63