Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Model" not found in /home/demoexibytes/public_html/ExibyteLibrary/app/Models/book_issue.php:9 Stack trace: #0 {main} thrown in /home/demoexibytes/public_html/ExibyteLibrary/app/Models/book_issue.php on line 9