Fatal error: Uncaught Error: Class 'Ramsey\Collection\AbstractCollection' not found in D:\xampp7\htdocs\www\nbkm\show_sr\vendor\ramsey\collection\src\Collection.php:73 Stack trace: #0 {main} thrown in D:\xampp7\htdocs\www\nbkm\show_sr\vendor\ramsey\collection\src\Collection.php on line 73