php yii2 error

[KichkinaDeveloper]

Fatal error: Uncaught Dotenv\Exception\InvalidPathException: Unable to read the environment file at C:\OSPanel\domains\Arifmetika.env. in C:\OSPanel\domains\Arifmetika\vendor\vlucas\phpdotenv\src\Loader.php:106 Stack trace: #0 C:\OSPanel\domains\Arifmetika\vendor\vlucas\phpdotenv\src\Loader.php(83): Dotenv\Loader->ensureFileIsReadable() #1 C:\OSPanel\domains\Arifmetika\vendor\vlucas\phpdotenv\src\Dotenv.php(114): Dotenv\Loader->load() #2 C:\OSPanel\domains\Arifmetika\vendor\vlucas\phpdotenv\src\Dotenv.php(52): Dotenv\Dotenv->loadData() #3 C:\OSPanel\domains\Arifmetika\common\config\env.php(6): Dotenv\Dotenv->load() #4 C:\OSPanel\domains\Arifmetika\backend\web\index.php(7): require('C:\OSPanel\doma...') #5 {main} thrown in C:\OSPanel\domains\Arifmetika\vendor\vlucas\phpdotenv\src\Loader.php on line 106

[KichkinaDeveloper]

I have got some problem? Pls help me, if someone understand it!

[GrahamCampbell]

This happens whenever PHP doesn't have permission to read the file, either due to file permissions, or some kind of exclusive lock on the file.