Fatal error: Uncaught Error: Call to undefined function wp_get_additional_image_sizes() in /srv/users/bethfantaskeycom/apps/bethfantaskeycom/public/wp-includes/media.php:63 Stack trace: #0 /srv/users/bethfantaskeycom/apps/bethfantaskeycom/public/wp-includes/media.php(266): image_constrain_size_for_editor(640, 360, 'full') #1 /srv/users/bethfantaskeycom/apps/bethfantaskeycom/public/wp-includes/media.php(953): image_downsize('8', 'full') #2 /srv/users/bethfantaskeycom/apps/bethfantaskeycom/public/wp-content/plugins/wordpress-seo/src/helpers/image-helper.php(103): wp_get_attachment_image_src('8', 'full') #3 /srv/users/bethfantaskeycom/apps/bethfantaskeycom/public/wp-content/plugins/wordpress-seo/src/values/images.php(64): Yoast\WP\SEO\Helpers\Image_Helper->get_attachment_image_source('8', 'full') #4 /srv/users/bethfantaskeycom/apps/bethfantaskeycom/public/wp-content/plugins/wordpress-seo/src/generators/twitter-image-generator.php(77): Yoast\WP\SEO\Values\Images->add_image_by_id('8') #5 /srv/users/bethfantaskeycom/apps/bethfa in /srv/users/bethfantaskeycom/apps/bethfantaskeycom/public/wp-includes/media.php on line 63