How to display an error during registration that the entered data in the database was not found in Laravel 5.8.8?

Question

Laravel

There is a table with personal accounts that the user enters during registration, and when the user enters the wrong account, Trying to get property of non-object is displayed, and nothing can be done except drop this user from the database to start registration again. How to make it so that it simply displays an error that the l / s was not found, check the correctness of the entered data, etc. ??? Thanks in advance!

Answer 1

Laravel validation, rule exists https://laravel.com/docs/5.8/validation#rule-exists