Fatal error: Uncaught Error: Class "Illuminate\Support\Collection" not found in /home/marketo/demo.marketoo.com.bd/vendor/spatie/laravel-newsletter/src/NewsletterListCollection.php:8
Stack trace:
#0 {main}
thrown in /home/marketo/demo.marketoo.com.bd/vendor/spatie/laravel-newsletter/src/NewsletterListCollection.php on line 8