Object::connect: No such slot xxx 解决方法

Qt::connect: no such slot - qobject__connect_ no such slot QObject::connect: No such slot AbstractViewWindow::onPagePrevious() ##PB connect 1onPagePrevious()> QObject::connect: No such slot treasure tiger slot gons@localhost:~> qdvdauthor QEventLoop: Cannot be used without QApplication : QObject::connect: No such signal QAction::

betflix slot But when the connect statement is executed on this one I get … QObject::connect: No such slot QtVTKApp::setWidgetsEnabled() I read something