NACK; raw print: array(3) { ["result"]=> string(4) "NACK" ["message"]=> string(59) "Halted; nxs_requirewidget invoked before nxs_widgets_loaded" ["stacktrace"]=> array(1) { ["tip"]=> string(53) "stacktrace suppressed; only available for admin users" } } pretty print: result => NACK message => Halted; nxs_requirewidget invoked before nxs_widgets_loaded stacktrace => tip => stacktrace suppressed; only available for admin users (raw printed)