Fatal error: Uncaught Error: Class "Rubix\ML\CrossValidation\Metrics\MeanSquaredError" not found in C:\xampp\htdocs\BoostForge\vendor\rubix\ml\src\CrossValidation\Metrics\RMSE.php:20
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\BoostForge\vendor\rubix\ml\src\CrossValidation\Metrics\RMSE.php on line 20