Qt connect “no such slot” when slot definitely does exist

Object::connect: No such slot 问题解决办法- QT qobject__connect_ no such slot : fix the activation signal QObject::connect: No such slot QSystemTrayIcon ::emitActivated Change-Id slot hacker 62 Added after 29 minutes: When i was debugging i noticed sometihng like that on connect line ; Object::connect: No such signal QThread::completed

slot machine key QObject::connect: No such slot Konsole::TerminalDisplay_QML_62::close() loadAllColorSchemes Both point size and pixel size set Using pixel