Fatal error: Uncaught TypeError: round(): Argument #1 ($num) must be of type int|float, string given in C:\xampp\htdocs\page\Serie.php:99 Stack trace: #0 C:\xampp\htdocs\page\Serie.php(99): round('Non not\xC3\xA9', 1) #1 {main} thrown in C:\xampp\htdocs\page\Serie.php on line 99