Email Settings not working

Error: Class "IPS\core\extensions\core\CommunityEnhancements\Sendgrid" not found (0)

#0 /home/tlapl/public_html/applications/core/modules/admin/settings/email.php(124): IPS\Email\Outgoing\SendGrid::isUsable()

#1 /home/tlapl/public_html/system/Dispatcher/Controller.php(139): IPS\core\modules\admin\settings\email->manage()

#2 /home/tlapl/public_html/applications/core/modules/admin/settings/email.php(64): IPS\Dispatcher\Controller->execute()

#3 /home/tlapl/public_html/system/Dispatcher/Dispatcher.php(169): IPS\core\modules\admin\settings\email->execute()

#4 /home/tlapl/public_html/admin/index.php(15): IPS\Dispatcher->run()

#5 {main}