/ebooks/wp-content/themes/eight-sec/css/isotope-docs.css
  (8) Undefined index: host   FrontController.php   line 87     23-6-18   4:05
FrontController->getInstance() # line   16, file: /home/smart/public_html/index.php
  FrontController->__construct() # line   37, file: /home/smart/public_html/core/FrontController.php
    FrontController->loadSettings() # line   51, file: /home/smart/public_html/core/FrontController.php