qwit fails to launch: Program received signal EXC_BAD_ACCESS, Could not access memory

[barracuda156]

Something does not work :)

36-25% /opt/local/libexec/qt4/bin/qwit
Wed Aug 30 15:40:53 2023 Warning: QLayout: Attempting to add QLayout "" to MainWindow "MainWindow", which already has a layout
Wed Aug 30 15:40:53 2023 Warning: QMetaObject::connectSlotsByName: No matching signal for on_add_friend(QString)
Wed Aug 30 15:40:53 2023 Warning: QMetaObject::connectSlotsByName: No matching signal for on_unfollow_friend(QString,UserMgmtWidgetItem*)
Wed Aug 30 15:40:53 2023 Warning: QMetaObject::connectSlotsByName: No matching signal for on_block_friend(QString,UserMgmtWidgetItem*)
Wed Aug 30 15:40:53 2023 Warning: QMetaObject::connectSlotsByName: No matching signal for on_follow_follower(QString,UserMgmtWidgetItem*)
Wed Aug 30 15:40:53 2023 Warning: QMetaObject::connectSlotsByName: No matching signal for on_unfollow_follower(QString,UserMgmtWidgetItem*)
Wed Aug 30 15:40:53 2023 Warning: QMetaObject::connectSlotsByName: No matching signal for on_block_follower(QString,UserMgmtWidgetItem*)
Wed Aug 30 15:40:53 2023 Warning: QMetaObject::connectSlotsByName: No matching signal for on_unblock_user(QString,UserMgmtWidgetItem*)
Wed Aug 30 15:40:53 2023 Warning: QLayout: Attempting to add QLayout "" to FriendshipsMgmtPage "", which already has a layout
zsh: bus error  /opt/local/libexec/qt4/bin/qwit

GDB shows this:

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000cc0
0x00500474 in QObject::connect ()
(gdb) where
#0  0x00500474 in QObject::connect ()
#1  0x0001ef44 in MainWindow::setupTrayIcon ()
#2  0x00022810 in MainWindow::MainWindow ()
#3  0x000229f8 in MainWindow::getInstance ()
#4  0x00013d58 in main ()

P. S. I also had to build an external library for QProgressIndicator, since qwit waits that, but does not have.