Fatal error: Uncaught TypeError: number_format(): Argument #1 ($num) must be of type float, string given in C:\xampp\htdocs\aqoxygen\index.php:70 Stack trace: #0 C:\xampp\htdocs\aqoxygen\index.php(70): number_format('NaN', 1) #1 {main} thrown in C:\xampp\htdocs\aqoxygen\index.php on line 70