Question2Answer fatal error:

User registration is handled by external code

Stack trace:

require() in index.php:27
require() in qa-index.php:183
qa_get_request_content() in qa-page.php:819
qa_call_override() in qa-page.php:194
qa_call() in qa-base.php:667
qa_get_request_content_override_1_in_pages_override_php() in qa-base.php:615
require() in qa-base.php(591) : eval()'d code:68