Title: Fatal error: Uncaught Error: Call to a member function setAttribute() on null Last modified: November 24, 2020 --- # Fatal error: Uncaught Error: Call to a member function setAttribute() on null * Resolved [complex economy](https://wordpress.org/support/users/complex-economy/) * (@complex-economy) * [5 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-call-to-a-member-function-setattribute-on-null/) * Fatal error: Uncaught Error: Call to a member function setAttribute() on null in /wp-content/plugins/web-stories/includes/AMP/Traits/Sanitization_Utils.php: 48 Stack trace: #0 /wp-content/plugins/web-stories/includes/AMP/Integration/AMP_Story_Sanitizer. php(52): Google\Web_Stories\AMP\Integration\AMP_Story_Sanitizer->transform_html_start_tag( Object(DOMDocument)) #1 /wp-content/plugins/accelerated-mobile-pages/includes/ vendor/amp/includes/class-amp-content.php(135): Google\Web_Stories\AMP\Integration\ AMP_Story_Sanitizer->sanitize() #2 /wp-content/plugins/accelerated-mobile-pages/ includes/vendor/amp/includes/class-amp-content.php(100): AMPforWP\AMPVendor\AMP_Content_Sanitizer:: sanitize(‘