Sorry, the post that you have quoted is nothing to do with your error messages. It is a request for a mod to change the method of refreshing.
If you look at an earlier post, you will see what I have for line 1061..
Mine: $host = (($output[0] ? end ( explode (' ', $output[0])) : $ip)); // plan a continues
Yours: $host = isset($output[0]) ? end ( explode (' ', $output[0])) : $ip; // plan a continues
I downloaded my version, from the regular download place, and that was on the 2nd.