I use Nicepage for as template of Joomla 4. Since the last update of Nicepage I get an error when I put a line in 'index.php'. I normally write this <?php $this->setGenerator('my name');...

Hello, NP Team. I´ve just started a new website selecting a template from the desktop builder, and I know they only have one page, but I was thinking that maybe the page generators should "take" some...