Fatal error: Uncaught TypeError: Argument 1 passed to s9e\TextFormatter\Renderers\PHP::at() must be an instance of DOMNode, null given, called in /home/dorair/domains/linuxfedora.ir/public_html/forum/vendor/s9e/text-formatter/src/Renderers/PHP.php on line 306 and defined in /home/dorair/domains/linuxfedora.ir/public_html/forum/vendor/s9e/text-formatter/src/Renderers/PHP.php:80 Stack trace: #0 /home/dorair/domains/linuxfedora.ir/public_html/forum/vendor/s9e/text-formatter/src/Renderers/PHP.php(306): s9e\TextFormatter\Renderers\PHP->at(NULL) #1 /home/dorair/domains/linuxfedora.ir/public_html/forum/vendor/s9e/text-formatter/src/Renderer.php(66): s9e\TextFormatter\Renderers\PHP->renderRichText('<r>\xD9\x85\xD9\x86 \xD9\x81\xD8\xA7\xDB\x8C\xD9...') #2 /home/dorair/domains/linuxfedora.ir/public_html/forum/phpbb/textformatter/s9e/renderer.php(250): s9e\TextFormatter\Renderer->render('<r>\xD9\x85\xD9\x86 \xD9\x81\xD8\xA7\xDB\x8C\xD9...') #3 /home/dorair/domains/linuxfedora.ir/public_html/forum/includes/functions_content.php(600): in /home/dorair/domains/linuxfedora.ir/public_html/forum/vendor/s9e/text-formatter/src/Renderers/PHP.php on line 80