Sending a message/content to an email in laravel (basic functionality) -- 2

I am trying to send message/content to an email in laravel. When I clicked the submit button, an uncaught appear at the browser console for a sec and then nothings happen. I want it to be like when I click the button, an email/message is sent to the user's email. I am wondering what I did wrong here ? Attached are my code. Please have a look