Question2Answer fatal error:

The config file could not be found. Please read the instructions in qa-config-example.php.

Stack trace:

require() /home/klient.dhosting.pl/qpa/vidz.pl/public_html/index.php:31
require() /home/klient.dhosting.pl/qpa/vidz.pl/public_html/qa-include/qa-index.php:48
qa_initialize_constants_1() /home/klient.dhosting.pl/qpa/vidz.pl/public_html/qa-include/qa-base.php:34