Go to the file localtion.
helixultimate_j4v211/plugins/system/helixultimate/helixultimate.php
https://prnt.sc/QjUDjEZLx9bX
Comment this line of code
if ($form->getName() === 'com_content.article')
{
$doc->addStyleSheet($tmpl_path . '/css/font-awesome.min.css');
$tpl_path = JPATH_ROOT . '/templates/' . $this->getTemplateName()->template;
HTMLHelper::_('jquery.framework');
HTMLHelper::_('jquery.token');
$doc->addStyleSheet($plg_path . '/assets/css/admin/blog-options.css');
$doc->addScript($plg_path . '/assets/js/admin/blog-options.js', ['version' => 'auto', 'relative' => false]);
if (File::exists($tpl_path . '/blog-options.xml'))
{
Form::addFormPath($tpl_path);
}
else
{
Form::addFormPath(JPATH_PLUGINS . '/system/helixultimate/params');
}
$form->loadFile('blog-options', false);
}