Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Method expects this value ----[ bool(false) ]---- to be one of the types ====[ string(6) "STRING" ]====' in /htdocs/public/www/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Validators/Type.php:182 Stack trace: #0 /htdocs/public/www/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Validators/Type.php(69): Facebook\InstantArticles\Validators\Type::throwException(false, 'STRING') #1 /htdocs/public/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 /htdocs/public/www/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Elements/InstantArticle.php(123): Facebook\InstantArticles\Validato in /htdocs/public/www/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Validators/Type.php on line 182