Fatal error: Uncaught Error: Class 'Matrix\Operators\Operator' not found in /var/www/u0381365/data/www/kgnic.ru/vendor/markbaker/matrix/classes/src/Operators/Multiplication.php:9 Stack trace: #0 {main} thrown in /var/www/u0381365/data/www/kgnic.ru/vendor/markbaker/matrix/classes/src/Operators/Multiplication.php on line 9