File manager : unknown error not able to fix

i am getting these errors in the log

2022/12/20 18:25:17 [error] 28460#0: *536 FastCGI sent in stderr: "PHP message: PHP Warning:  file_get_contents(/etc/ssh/sshd_config): Failed to open stream: Permission denied in /usr/local/hestia/web/fm/configuration.php on line 62PHP message: PHP Warning:  Undefined array key 2 in /usr/local/hestia/web/fm/configuration.php on line 63" while reading response header from upstream, client: XXX.YY1.52.110, server: _, request: "GET /fm/?r=/getuser HTTP/1.1", upstream: "fastcgi://unix:/var/run/hestia-php.sock:", host: "XX.YYY.57.191:8083", referrer: "https://XX.YYY.57.191:8083/fm/"
2022/12/21 04:27:07 [error] 28460#0: *582 FastCGI sent in stderr: "PHP message: PHP Warning:  file_get_contents(/etc/ssh/sshd_config): Failed to open stream: Permission denied in /usr/local/hestia/web/fm/configuration.php on line 62PHP message: PHP Warning:  Undefined array key 2 in /usr/local/hestia/web/fm/configuration.php on line 63" while reading response header from upstream, client: XXX.YY1.52.110, server: _, request: "GET /fm/ HTTP/1.1", upstream: "fastcgi://unix:/var/run/hestia-php.sock:", host: "XX.YYY.57.191:8083", referrer: "https://XX.YYY.57.191:8083/list/web/"
2022/12/21 04:27:09 [error] 28460#0: *590 FastCGI sent in stderr: "PHP message: PHP Warning:  file_get_contents(/etc/ssh/sshd_config): Failed to open stream: Permission denied in /usr/local/hestia/web/fm/configuration.php on line 62PHP message: PHP Warning:  Undefined array key 2 in /usr/local/hestia/web/fm/configuration.php on line 63" while reading response header from upstream, client: XXX.YY1.52.110, server: _, request: "GET /fm/?r=/getconfig HTTP/1.1", upstream: "fastcgi://unix:/var/run/hestia-php.sock:", host: "XX.YYY.57.191:8083", referrer: "https://XX.YYY.57.191:8083/fm/"
2022/12/21 04:27:10 [error] 28460#0: *590 FastCGI sent in stderr: "PHP message: PHP Warning:  file_get_contents(/etc/ssh/sshd_config): Failed to open stream: Permission denied in /usr/local/hestia/web/fm/configuration.php on line 62PHP message: PHP Warning:  Undefined array key 2 in /usr/local/hestia/web/fm/configuration.php on line 63" while reading response header from upstream, client: XXX.YY1.52.110, server: _, request: "GET /fm/?r=/getuser HTTP/1.1", upstream: "fastcgi://unix:/var/run/hestia-php.sock:", host: "XX.YYY.57.191:8083", referrer: "https://XX.YYY.57.191:8083/fm/"
2022/12/21 04:27:11 [error] 28460#0: *590 FastCGI sent in stderr: "PHP message: PHP Warning:  file_get_contents(/etc/ssh/sshd_config): Failed to open stream: Permission denied in /usr/local/hestia/web/fm/configuration.php on line 62PHP message: PHP Warning:  Undefined array key 2 in /usr/local/hestia/web/fm/configuration.php on line 63PHP message: PHP Fatal error:  Uncaught League\Flysystem\Sftp\InvalidRootException: Root is invalid or does not exist: /home/43tanmay/ in /usr/local/hestia/web/fm/vendor/league/flysystem-sftp/src/SftpAdapter.php:279
Stack trace: