QMetaObject...No matching signal

[mrgkingcs]

Installed from universal package on Ubuntu 22.04
Have installed Qt4 from ubuntuhandbook1 ppa.

Running ltr_gui just spams a giant list of missing signals:

QMetaObject::connectSlotsByName: No matching signal for on_QuitButton_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_SaveButton_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_DefaultsButton_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_DiscardChangesButton_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_HelpButton_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_LtrTab_currentChanged(int)
QMetaObject::connectSlotsByName: No matching signal for on_LegacyPose_stateChanged(int)
QMetaObject::connectSlotsByName: No matching signal for on_LegacyRotation_stateChanged(int)
QMetaObject::connectSlotsByName: No matching signal for on_FocalLength_valueChanged(double)
QMetaObject::connectSlotsByName: No matching signal for on_TransRotDisable_stateChanged(int)
QMetaObject::connectSlotsByName: No matching signal for on_ViewLogButton_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_XplanePluginButton_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_PackageLogsButton_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_CreateModelButton_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_ModelSelector_activated(QString)
QMetaObject::connectSlotsByName: No matching signal for on_CancelButton_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_CreateButton_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_Model3PtCap_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_Model3PtClip_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_Model1Pt_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_ModelFace_pressed()
QMetaObject::connectSlotsByName: No matching signal for on_CloseButton_pressed()

[exuvo]

Use this #166 pull request which has upgraded to QT5 or my branch which includes more pull requests https://github.com/exuvo/linuxtrack .