How to fix 419 | Page Expire | @csrf token is added correctly

hello mates, I 'm working one of my project and suddenly I face an error on every form submission

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I added @CSRF correctly but still it didn’t find any solution I found on many articles that form submission with @csrf protection is directly related to the Session and found that session is not working correctly I fix file permission using this article but nothing works

https://www.codegrepper.com/code-examples/php/how+to+give+laravel+permission+for+the+session+folder

To fix 419 page expired error in laravel, you have to use the CSRF token carefully in your project. If you are getting an error after submitting the form then you need to add the CSRF field in your form.

@csrf ...