Fatal error: Uncaught Error: Interface "MathPHP\Number\ObjectArithmetic" not found in /home/peekizt/www/vendor/markrogoyski/math-php/src/Number/Quaternion.php:15 Stack trace: #0 {main} thrown in /home/peekizt/www/vendor/markrogoyski/math-php/src/Number/Quaternion.php on line 15