laravel $kernel->handle error report

When the entry file index.php is executed to $kernel->handle, an error will be reported!

Error message:

Reply content:

When the entry file index.php is executed to $kernel->handle, an error will be reported!

Error message:

First check if the storage permissions are correct. Is it 777? If so, you can only use debug to check. Such information is not sent to determine the problem.