Fatal error: Uncaught TypeError: Cannot assign null to property DOMElement::$id of type string in /var/www/fiskermarine.com/public_html/wp-content/plugins/AdvancedAssets/vendor/voku/simple_html_dom/src/voku/helper/AbstractSimpleHtmlDom.php:163
Stack trace:
#0 /var/www/fiskermarine.com/public_html/wp-content/plugins/AdvancedAssets/vendor/voku/html-min/src/voku/helper/HtmlMinDomObserverOptimizeAttributes.php(146): voku\helper\AbstractSimpleHtmlDom->__set('id', NULL)
#1 /var/www/fiskermarine.com/public_html/wp-content/plugins/AdvancedAssets/vendor/voku/html-min/src/voku/helper/HtmlMin.php(1669): voku\helper\HtmlMinDomObserverOptimizeAttributes->domElementAfterMinification(Object(voku\helper\SimpleHtmlDom), Object(voku\helper\HtmlMin))
#2 /var/www/fiskermarine.com/public_html/wp-content/plugins/AdvancedAssets/vendor/voku/html-min/src/voku/helper/HtmlMin.php(1648): voku\helper\HtmlMin->notifyObserversAboutDomElementAfterMinification(Object(voku\helper\SimpleHtmlDom))
#3 /var/www/fiskermarine.com/public_html/wp-content/plugins/AdvancedAssets/vendor/voku/html-min/src/voku/helper/HtmlMin.php(1366): voku\helper\HtmlMin->minifyHtmlDom('<!DOCTYPE html>...', false)
#4 /var/www/fiskermarine.com/public_html/wp-content/plugins/AdvancedAssets/lib/AdvancedAssets_Performance.php(145): voku\helper\HtmlMin->minify('<!DOCTYPE html>...')
#5 /var/www/fiskermarine.com/public_html/wp-includes/class-wp-hook.php(341): AdvancedAssets_Performance->{closure:AdvancedAssets_Performance::run():127}('')
#6 /var/www/fiskermarine.com/public_html/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters('', Array)
#7 /var/www/fiskermarine.com/public_html/wp-includes/plugin.php(522): WP_Hook->do_action(Array)
#8 /var/www/fiskermarine.com/public_html/wp-includes/load.php(1308): do_action('shutdown')
#9 [internal function]: shutdown_action_hook()
#10 {main}
thrown in /var/www/fiskermarine.com/public_html/wp-content/plugins/AdvancedAssets/vendor/voku/simple_html_dom/src/voku/helper/AbstractSimpleHtmlDom.php on line 163