Fatal error: Uncaught Error: Call to a member function cloneNode() on null in /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Transformer.php:105
Stack trace:
#0 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Getters/MultipleElementsGetter.php(34): Facebook\InstantArticles\Transformer\Transformer::cloneNode(NULL)
#1 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Rules/ConfigurationSelectorRule.php(160): Facebook\InstantArticles\Transformer\Getters\MultipleElementsGetter->get(Object(DOMElement))
#2 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Rules/InteractiveRule.php(82): Facebook\InstantArticles\Transformer\Rules\ConfigurationSelectorRule->getProperty('interactive.ifr...', Object(DOMElement))
#3 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Transformer.php(336): Facebook\InstantArticles\Transformer\Rules\InteractiveRule->apply(Object(Facebook\InstantArticles\Transformer\Transformer), Object(Facebook\InstantArticles\Elements\InstantArticle), Object(DOMElement))
#4 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Rules/PassThroughRule.php(32): Facebook\InstantArticles\Transformer\Transformer->transform(Object(Facebook\InstantArticles\Elements\InstantArticle), Object(DOMElement))
#5 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Transformer.php(336): Facebook\InstantArticles\Transformer\Rules\PassThroughRule->apply(Object(Facebook\InstantArticles\Transformer\Transformer), Object(Facebook\InstantArticles\Elements\InstantArticle), Object(DOMElement))
#6 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Rules/PassThroughRule.php(32): Facebook\InstantArticles\Transformer\Transformer->transform(Object(Facebook\InstantArticles\Elements\InstantArticle), Object(DOMElement))
#7 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Transformer.php(336): Facebook\InstantArticles\Transformer\Rules\PassThroughRule->apply(Object(Facebook\InstantArticles\Transformer\Transformer), Object(Facebook\InstantArticles\Elements\InstantArticle), Object(DOMElement))
#8 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Transformer.php(265): Facebook\InstantArticles\Transformer\Transformer->transform(Object(Facebook\InstantArticles\Elements\InstantArticle), Object(DOMDocument))
#9 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/class-instant-articles-post.php(695): Facebook\InstantArticles\Transformer\Transformer->transformString(Object(Facebook\InstantArticles\Elements\InstantArticle), '<p><!-- Videogr...', 'UTF-8')
#10 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/class-instant-articles-post.php(882): Instant_Articles_Post->to_instant_article()
#11 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/class-instant-articles-post.php(959): Instant_Articles_Post->is_empty_after_transformation()
#12 /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/facebook-instant-articles.php(357): Instant_Articles_Post->should_submit_post()
#13 /home/onc2f5rfezcom/public_html/wp-includes/class-wp-hook.php(324): inject_ia_markup_meta_tag('')
#14 /home/onc2f5rfezcom/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#15 /home/onc2f5rfezcom/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#16 /home/onc2f5rfezcom/public_html/wp-includes/general-template.php(3052): do_action('wp_head')
#17 /home/onc2f5rfezcom/public_html/wp-content/themes/darknews/header.php(20): wp_head()
#18 /home/onc2f5rfezcom/public_html/wp-includes/template.php(790): require_once('/home/onc2f5rfe...')
#19 /home/onc2f5rfezcom/public_html/wp-includes/template.php(725): load_template('/home/onc2f5rfe...', true, Array)
#20 /home/onc2f5rfezcom/public_html/wp-includes/general-template.php(48): locate_template(Array, true, true, Array)
#21 /home/onc2f5rfezcom/public_html/wp-content/themes/darknews/archive.php(10): get_header()
#22 /home/onc2f5rfezcom/public_html/wp-includes/template-loader.php(106): include('/home/onc2f5rfe...')
#23 /home/onc2f5rfezcom/public_html/wp-blog-header.php(19): require_once('/home/onc2f5rfe...')
#24 /home/onc2f5rfezcom/public_html/index.php(17): require('/home/onc2f5rfe...')
#25 {main}
thrown in /home/onc2f5rfezcom/public_html/wp-content/plugins/fb-instant-articles/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Transformer.php on line 105