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Fatal error: Uncaught Error: Call to undefined function rest_default_additional_properties_to_false() in /home/server08/public_html/gallerij/wp-includes/theme.php:3152 Stack trace: #0 /home/server08/public_html/gallerij/wp-includes/theme.php(3681): register_theme_feature('align-wide', Array) #1 /home/server08/public_html/gallerij/wp-includes/class-wp-hook.php(287): create_initial_theme_features('') #2 /home/server08/public_html/gallerij/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters('', Array) #3 /home/server08/public_html/gallerij/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #4 /home/server08/public_html/gallerij/wp-settings.php(478): do_action('setup_theme') #5 /home/server08/public_html/gallerij/wp-config.php(90): require_once('/home/server08/...') #6 /home/server08/public_html/gallerij/wp-load.php(37): require_once('/home/server08/...') #7 /home/server08/public_html/gallerij/wp-blog-header.php(13): require_once('/home/server08/...') #8 /home/server08/public_html/gallerij/index.php(17): require('/ in /home/server08/public_html/gallerij/wp-includes/theme.php on line 3152