Fatal error: Uncaught TypeError: strtoupper() expects parameter 1 to be string, null given in /home/bekabz/domains/bekabzar.com/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/LazyRenderContent/Frontend/Processor/Dom.php:101
Stack trace:
#0 /home/bekabz/domains/bekabzar.com/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/LazyRenderContent/Frontend/Processor/Dom.php(101): strtoupper(NULL)
#1 /home/bekabz/domains/bekabzar.com/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/LazyRenderContent/Frontend/Processor/Dom.php(68): WP_Rocket\Engine\Optimization\LazyRenderContent\Frontend\Processor\Dom->add_hash_to_element(Object(DOMElement), 2, '<!doctype html>...')
#2 /home/bekabz/domains/bekabzar.com/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/LazyRenderContent/Frontend/Controller.php(149): WP_Rocket\Engine\Optimization\LazyRenderContent\Frontend\Processor\Dom->add_hashes('<!doctype html>...')
#3 /home/bekabz/domains/bekabzar.com/public_html/wp-content/plugins/ in /home/bekabz/domains/bekabzar.com/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/LazyRenderContent/Frontend/Processor/Dom.php on line 101
