Call to undefined method Q_Response::calculateNonce()

in /live/Q/platform/handlers/Q/before/Q/responseExtras.php (60)

#0 /live/Q/platform/classes/Q.php(1072): Q_before_Q_responseExtras(Array, NULL)
#1 /live/Q/platform/classes/Q.php(940): Q::handle('Q/before/Q/resp...', Array, false, NULL)
#2 /live/Q/platform/classes/Q/Response.php(1508): Q::event('Q/responseExtra...', Array, 'before')
#3 /live/Q/platform/handlers/Q/response.php(52): Q_Response::processResponseExtras('before')
#4 /live/Q/platform/classes/Q.php(1072): Q_response(Array, NULL)
#5 /live/Q/platform/classes/Q.php(952): Q::handle('Q/response', Array, false, NULL)
#6 /live/Q/platform/classes/Q/Dispatcher.php(455): Q::event('Q/response', Array)
#7 /live/Q/platform/classes/Q/Dispatcher.php(355): Q_Dispatcher::response()
#8 /live/Q/platform/classes/Q/WebController.php(48): Q_Dispatcher::dispatch()
#9 /live/Yang/web/index.php(12): Q_WebController::execute()
#10 {main}