A bit more debug output.

app/main.cpp

@@ -13,7 +13,6 @@
 #include "templates/templatesmanager.h"
 
 // C++
-#include <memory>
 #include <csignal>
 
 // Qt
@@ -328,6 +327,11 @@ int main(int argc, char **argv)
                 // LayoutPage = 0
                 iface.call("showSettingsWindow", 0);
             }
+        } else {
+            QDBusError err = iface.lastError();
+            if(err.isValid()) {
+                qInfo() << "DBus error (" << err.name() << ") encountered: " << err.message();
+            }
         }
 
         if (!validaction) {

app/package/lattepackage.cpp

@@ -28,6 +28,9 @@ Package::~Package()
 void Package::initPackage(KPackage::Package *package)
 {
     auto fallback = KPackage::PackageLoader::self()->loadPackage("Plasma/Shell", "org.kde.plasma.desktop");
+    if(!fallback.isValid()) {
+        qDebug() << "Failed to load fallback plasma shell package";
+    }
     package->setDefaultPackageRoot(QStringLiteral("plasma/shells/"));
     package->setPath("org.kde.latte.shell");
     package->addFileDefinition("defaults", QStringLiteral("defaults"));