Fatal error: Uncaught Error: Call to undefined function mb_strtoupper() in /var/www/html/cinescape/wp-content/plugins/wordpress-seo/src/generators/schema/article.php:225
Stack trace:
#0 /var/www/html/cinescape/wp-content/plugins/wordpress-seo/src/generators/schema/article.php(59): Yoast\WP\SEO\Generators\Schema\Article->word_count()
#1 /var/www/html/cinescape/wp-content/plugins/wordpress-seo/src/generators/schema-generator.php(129): Yoast\WP\SEO\Generators\Schema\Article->generate()
#2 /var/www/html/cinescape/wp-content/plugins/wordpress-seo/src/generators/schema-generator.php(76): Yoast\WP\SEO\Generators\Schema_Generator->generate_graph()
#3 /var/www/html/cinescape/wp-content/plugins/wordpress-seo/src/presentations/indexable-presentation.php(718): Yoast\WP\SEO\Generators\Schema_Generator->generate()
#4 /var/www/html/cinescape/wp-content/plugins/wordpress-seo/src/presentations/abstract-presentation.php(66): Yoast\WP\SEO\Presentations\Indexable_Presentation->generate_schema()
#5 /var/www/html/cinescape/wp-content/plugins/w in /var/www/html/cinescape/wp-content/plugins/wordpress-seo/src/generators/schema/article.php on line 225