Fatal error: Uncaught Error: Class 'Illuminate\Database\Eloquent\Model' not found in C:\xampp\htdocs\iglooapp\vendor\cviebrock\eloquent-sluggable\tests\Models\Post.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\iglooapp\vendor\cviebrock\eloquent-sluggable\tests\Models\Post.php on line 18