Unknown Error

Out of nothing, I just get an error when I go to my website(https://deathkiss.org). I didn’t even do anything to my code, and not so long ago it was working. So I checked up on my code on line 4 and line 4 just happens to be a line of spaces with nothing. So I tried taking out the spaces, but that didn’t work either. Does anyone know the problem or knows how to fix this?

Here is the message:

Warning: main(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/heidi/public_html/index.php on line 4

Warning: main(https://www.deathkiss.org/wp): failed to open stream: Permission denied in /home/heidi/public_html/index.php on line 4

Warning: main(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/heidi/public_html/index.php on line 4

Warning: main(https://www.deathkiss.org/wp): failed to open stream: Permission denied in /home/heidi/public_html/index.php on line 4

Fatal error: main(): Failed opening required ‘https://www.deathkiss.org/wp’ (include_path=’.:/usr/lib/php:/usr/local/lib/php’) in /home/heidi/public_html/index.php on line 4