Fatal error: Uncaught InvalidArgumentException: Method expects this value ----[ bool(false) ]---- to be one of the types ====[ string(6) "STRING" ]==== in /var/www/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Validators/Type.php:183 Stack trace: #0 /var/www/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Validators/Type.php(70): Facebook\InstantArticles\Validators\Type::throwException(false, 'STRING') #1 /var/www/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Validators/Type.php(39): Facebook\InstantArticles\Validators\Type::is(false, 'STRING', true) #2 /var/www/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Elements/InstantArticle.php(133): Facebook\InstantArticles\Validators\Type::enforce(false, 'STRING') #3 /var/www/wp-content/plugins/f in /var/www/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Validators/Type.php on line 183