F7绑定query之后无法弹出界面

query是自己新建的，发布了，界面点击F7客户端会报错
[(InnerMDLoader.java:77)]met a ERROR_MD, pk2=com.kingdee.eas.custom.kbistore.app.CusF7Query!baqu
java.lang.reflect.InvocationTargetException
at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.kingdee.eas.client.recorder.UserInputEventQueue.myDispatchEvent(UserInputEventQueue.java:126)
at com.kingdee.eas.client.recorder.UserInputEventQueue.dispatchEvent(UserInputEventQueue.java:59)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: java.lang.NullPointerException
at com.kingdee.bos.ctrl.extendcontrols.KDCommonPromptDialog.fillTable(KDCommonPromptDialog.java:1875)
at com.kingdee.bos.ctrl.extendcontrols.KDCommonPromptDialog.refresh(KDCommonPromptDialog.java:861)
at com.kingdee.bos.ctrl.extendcontrols.KDCommonPromptDialog.show(KDCommonPromptDialog.java:942)
at com.kingdee.bos.ctrl.swing.KDPromptBox.popupSelector(KDPromptBox.java:1004)
at com.kingdee.bos.ctrl.extendcontrols.KDBizPromptBox.popupSelector(KDBizPromptBox.java:1376)
at com.kingdee.bos.ctrl.swing.KDPromptBox.setDataBySelector(KDPromptBox.java:1020)
at com.kingdee.bos.ctrl.extendcontrols.KDBizPromptBox.setDataBySelector(KDBizPromptBox.java:2774)
at com.kingdee.bos.ctrl.swing.plaf.KingdeePromptBoxUI$PromptBoxListener.actionPerformed(KingdeePromptBoxUI.java:1196)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6267)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6032)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at com.kingdee.bos.invokecounter.RPCLogEventQueue.dispatchEvent(RPCLogEventQueue.java:176)
... 11 more

点击F7无法弹出界面...
求解