Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\Relation" not found in C:\xampp\htdocs\hshs\vendor\illuminate\database\Eloquent\Relations\HasOneOrManyThrough.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hshs\vendor\illuminate\database\Eloquent\Relations\HasOneOrManyThrough.php on line 23