Question2Answer fatal error:

User login is handled by external code

Stack trace:

require() in index.php:27
require() in qa-index.php:188
qa_get_request_content() in qa-page.php:47
qa_call_override() in page.php:174
qa_call() in qa-base.php:817
qa_get_request_content_override_1_in_overrides_php() in qa-base.php:752
qa_get_request_content_base() in qa-base.php(720) : eval()'d code:70
qa_call() in qa-base.php(814) : eval()'d code:1
qa_get_request_content() in qa-base.php:752
require() in page.php:183