Please follow these steps:


1- Please replace defined line within rockband/includes/core/html_class.php, line number 272,


change this line:  


$html['element'] = form_textarea(array_merge(array('name'=>$field,'value'=>$this->_webnukes->validation->set_value($field, htmlentities($settingsvalue)),'id'=>$field), (array) $settings['attrs']));

to this line:

$html['element'] = form_textarea(array_merge(array('name'=>$field,'value'=>$this->_webnukes->validation->set_value($field, $settingsvalue),'id'=>$field), (array) $settings['attrs']));


2- Save it / update it