I have problem with laravel view is not found by route function I did composer dumpautoload but no use ArticleController.php
I was having the same error, but in my case the view was called seeProposal.
I changed it to seeproposal and it worked fine...
It was not being an issue while testing locally, but apparently Laravel makes a distinction with capital letters running in production. So for those who have views with capital letters, I would change all of them to lowercase.