QFactoryLoader::QFactoryLoader() checking directory path "/opt/master-pdf-editor/platforms" ...
QFactoryLoader::QFactoryLoader() looking at "/opt/master-pdf-editor/platforms/libqeglfs.so"
Found metadata in lib /opt/master-pdf-editor/platforms/libqeglfs.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "eglfs"
        ]
    },
    "className": "QEglFSIntegrationPlugin",
    "debug": false,
    "version": 329992
}


Got keys from plugin meta data ("eglfs")
QFactoryLoader::QFactoryLoader() looking at "/opt/master-pdf-editor/platforms/libqlinuxfb.so"
Found metadata in lib /opt/master-pdf-editor/platforms/libqlinuxfb.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "linuxfb"
        ]
    },
    "className": "QLinuxFbIntegrationPlugin",
    "debug": false,
    "version": 329992
}


Got keys from plugin meta data ("linuxfb")
QFactoryLoader::QFactoryLoader() looking at "/opt/master-pdf-editor/platforms/libqminimal.so"
Found metadata in lib /opt/master-pdf-editor/platforms/libqminimal.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "minimal"
        ]
    },
    "className": "QMinimalIntegrationPlugin",
    "debug": false,
    "version": 329992
}


Got keys from plugin meta data ("minimal")
QFactoryLoader::QFactoryLoader() looking at "/opt/master-pdf-editor/platforms/libqminimalegl.so"
Found metadata in lib /opt/master-pdf-editor/platforms/libqminimalegl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "minimalegl"
        ]
    },
    "className": "QMinimalEglIntegrationPlugin",
    "debug": false,
    "version": 329992
}


Got keys from plugin meta data ("minimalegl")
QFactoryLoader::QFactoryLoader() looking at "/opt/master-pdf-editor/platforms/libqoffscreen.so"
Found metadata in lib /opt/master-pdf-editor/platforms/libqoffscreen.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "offscreen"
        ]
    },
    "className": "QOffscreenIntegrationPlugin",
    "debug": false,
    "version": 329992
}


Got keys from plugin meta data ("offscreen")
QFactoryLoader::QFactoryLoader() looking at "/opt/master-pdf-editor/platforms/libqvnc.so"
Found metadata in lib /opt/master-pdf-editor/platforms/libqvnc.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "vnc"
        ]
    },
    "className": "QVncIntegrationPlugin",
    "debug": false,
    "version": 329992
}


Got keys from plugin meta data ("vnc")
QFactoryLoader::QFactoryLoader() looking at "/opt/master-pdf-editor/platforms/libqxcb.so"
Found metadata in lib /opt/master-pdf-editor/platforms/libqxcb.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "xcb"
        ]
    },
    "className": "QXcbIntegrationPlugin",
    "debug": false,
    "version": 329992
}


Got keys from plugin meta data ("xcb")
Cannot load library /opt/master-pdf-editor/platforms/libqxcb.so: (libdbus-1.so.3: cannot open shared object file: No such file or directory)
QLibraryPrivate::loadPlugin failed on "/opt/master-pdf-editor/platforms/libqxcb.so" : "Cannot load library /opt/master-pdf-editor/platforms/libqxcb.so: (libdbus-1.so.3: cannot open shared object file: No such file or directory)"
This application failed to start because it could not find or load the Qt platform plugin "xcb"
in "".

Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.

Reinstalling the application may fix this problem.
/opt/bin/masterpdfeditor5: line 13:  7209 Aborted                 $dirname/$appname "$@"