Fatal error: Uncaught TypeError: strtoupper() expects parameter ۱ to be string, null given in /home/saniaw/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/LazyRenderContent/Frontend/Processor/Dom.php:۱۴۵
Stack trace:
#۰ /home/saniaw/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/LazyRenderContent/Frontend/Processor/Dom.php(۱۴۵): strtoupper(NULL)
#۱ /home/saniaw/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/LazyRenderContent/Frontend/Processor/Dom.php(۱۰۷): WP_Rocket\Engine\Optimization\LazyRenderContent\Frontend\Processor\Dom->add_hash_to_element(Object(DOMElement), ۲, '<!DOCTYPE html>...')
#۲ /home/saniaw/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/LazyRenderContent/Frontend/Controller.php(۱۵۵): WP_Rocket\Engine\Optimization\LazyRenderContent\Frontend\Processor\Dom->add_hashes('<!DOCTYPE html>...')
#۳ /home/saniaw/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/LazyRenderContent/Frontend/Controller.php(۱۲۸): WP_Rocket\Engine\Optim in /home/saniaw/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/LazyRenderContent/Frontend/Processor/Dom.php on line ۱۴۵
