Laravel log max file is not working

First of all you should run

php artisan config:cache

to cache your configuration.

In addition you should run

php artisan queue:restart

to make sure your queue workers will see the changes.

Additionally you should make sure there are valid permissions to log files to make it possible to delete them.

php laravel logging laravel-5

You have to run this command on your terminal

php artisan config:cache

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