Reading one value from empty results

Stack trace:

require() in index.php:22
require() in king-index.php:180
qa_output_content() in king-page.php:895
html() in king-page.php:378
body() in king-theme.php:13
body_content() in king-theme.php:74
main() in king-theme.php:273
main() in king-base.php(592) : eval()'d code:37
premiumpost() in king-theme.php:508
qa_db_read_one_value() in king-theme.php:582