Hallo zusammen,
die neue Version ist grundsätzlich super; jetzt habe ich ein wenig damit gearbeitet. Wenn ich nun eine erstellte Rechnung als "versandt" markieren möchte (kein EMail-Versand), dann wird das nicht übernommen, sondern es gibt eine Null Pointer Exception.
Hier ein Auszug aus dem Log:

rg.eclipse.e4.core.di.InjectionException: java.lang.NullPointerException
	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:65) ~[na:na]
	at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:305) ~[na:na]
	at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:239) ~[na:na]
	at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132) ~[na:na]
	at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:152) ~[na:na]
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:494) ~[na:na]
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:487) ~[na:na]
	at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210) ~[na:na]
	at org.eclipse.e4.ui.workbench.renderers.swt.HandledContributionItem.executeItem(HandledContributionItem.java:431) ~[na:na]
	at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.handleWidgetSelection(AbstractContributionItem.java:446) ~[na:na]
	at org.eclipse.e4.ui.workbench.renderers.swt.AbstractContributionItem.lambda$2(AbstractContributionItem.java:472) ~[na:na]
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86) ~[na:na]
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:5348) ~[na:na]
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1348) ~[na:na]
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4602) ~[na:na]
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4183) ~[na:na]
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150) ~[na:na]
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) ~[na:na]
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039) ~[na:na]
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153) ~[na:na]
	at org.eclipse.e4.ui.internal.workbench.swt.E4Application.start(E4Application.java:162) ~[na:na]
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) ~[na:na]
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) ~[na:na]
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) ~[na:na]
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388) ~[na:na]
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) ~[na:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_151]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_151]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_151]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_151]
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) ~[org.eclipse.equinox.launcher_1.4.0.v20161219-1356.jar:na]
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) ~[org.eclipse.equinox.launcher_1.4.0.v20161219-1356.jar:na]
	at org.eclipse.equinox.launcher.Main.run(Main.java:1499) ~[org.eclipse.equinox.launcher_1.4.0.v20161219-1356.jar:na]
	at org.eclipse.equinox.launcher.Main.main(Main.java:1472) ~[org.eclipse.equinox.launcher_1.4.0.v20161219-1356.jar:na]
Caused by: java.lang.NullPointerException: null
	at com.sebulli.fakturama.handlers.MarkOrderAsActionHandler.markOrderAs(MarkOrderAsActionHandler.java:177) ~[na:na]
	at com.sebulli.fakturama.handlers.MarkOrderAsActionHandler.run(MarkOrderAsActionHandler.java:315) ~[na:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_151]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_151]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_151]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_151]
	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55) ~[na:na]