Internal Server Error

file_get_contents(x-check-empty.html): failed to open stream: No such file or directory

[xiaomi/lib/base.php:2219] Base->error()
[xiaomi/index.php:348] file_get_contents()
[xiaomi/lib/base.php:1834] {closure}()
[xiaomi/lib/base.php:1642] Base->call()
[xiaomi/index.php:385] Base->run()