Fatal error: Uncaught Error: Class 'Swift_Preferences' not found in C:\xampp\htdocs\print-bk\vendor\swiftmailer\swiftmailer\lib\preferences.php:9
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\print-bk\vendor\swiftmailer\swiftmailer\lib\preferences.php on line 9