Fatal error: Uncaught TypeError: date(): Argument #2 ($timestamp) must be of type ?int, string given in /var/www/html/wp-content/themes/isdp/index.php:46 Stack trace: #0 /var/www/html/wp-content/themes/isdp/index.php(46): date() #1 /var/www/html/wp-includes/template-loader.php(106): include('...') #2 /var/www/html/wp-blog-header.php(19): require_once('...') #3 /var/www/html/index.php(17): require('...') #4 {main} thrown in /var/www/html/wp-content/themes/isdp/index.php on line 46