Fehler Neuer Nutzer kann keinen Fragebogen erstellen
java.lang.NullPointerException: null
at org.gesis.stardat.service.ExportService.generateThymeleafPreviewForStudy(ExportService.java:105)
at org.gesis.stardat.service.ExportService.generateStudyPreviewByTemplate(ExportService.java:77)
at org.gesis.stardat.service.ExportService$$FastClassBySpringCGLIB$$4fd8fb26.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:684)
at org.gesis.stardat.service.ExportService$$EnhancerBySpringCGLIB$$601ad109.generateStudyPreviewByTemplate(<generated>)
at org.gesis.stardat.ui.view.study.StudySelectionView.updateHtmlPreview(StudySelectionView.java:638)
at org.gesis.stardat.ui.view.study.StudySelectionView.setCurrentInstrument(StudySelectionView.java:491)
at org.gesis.stardat.ui.view.study.StudySelectionView.lambda$init$c61d0278$3(StudySelectionView.java:327)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:499)
at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:273)
at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:237)
at com.vaadin.server.AbstractClientConnector.fireEvent(AbstractClientConnector.java:1014)
at com.vaadin.ui.Grid.access$500(Grid.java:144)
at com.vaadin.ui.Grid$GridServerRpcImpl.itemClick(Grid.java:645)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:155)
at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:116)
at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:445)
at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:410)
at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:274)