Fatal error: Uncaught TypeError: JTL\IO\IO::register(): Argument #2 ($function) must be of type callable|array|null, string given, called in /home/material/public_html/plugins/themeart_lightsearch/Bootstrap.php(2) : eval()'d code on line 34 and defined in /home/material/public_html/includes/src/IO/IO.php:58 Stack trace: #0 /home/material/public_html/plugins/themeart_lightsearch/Bootstrap.php(2) : eval()'d code(34): JTL\IO\IO->register() #1 /home/material/public_html/includes/src/Shop.php(337): Plugin\themeart_lightsearch\Bootstrap->boot() #2 /home/material/public_html/includes/globalinclude.php(71): JTL\Shop::bootstrap() #3 /home/material/public_html/index.php(7): require('...') #4 {main} thrown in /home/material/public_html/includes/src/IO/IO.php on line 58