Fatal error: Uncaught Error: Class "Illuminate\Notifications\Notification" not found in /home/neftenergies/public_html/docroot.assets.neftenergies.com/snipe-it/vendor/laravel/slack-notification-channel/tests/Slack/SlackChannelTestNotification.php:9 Stack trace: #0 {main} thrown in /home/neftenergies/public_html/docroot.assets.neftenergies.com/snipe-it/vendor/laravel/slack-notification-channel/tests/Slack/SlackChannelTestNotification.php on line 9