Warning: Unknown: failed to open stream: Invalid argument in Unknown on line 0

Warning: require_once(config/.env): failed to open stream: No such file or directory in D:\wwwroot\127.0.0.1\config\conn.php on line 4

Fatal error: require_once(): Failed opening required 'config/.env' (include_path='.;C:\php\pear') in D:\wwwroot\127.0.0.1\config\conn.php on line 4