您好我正在尝试将数据库中的数据输入af：selectOneChoice。我已经创建了一个基于VO的查询并从appmodule访问它。当我尝试加载页面时，它给出了以下错误
oracle.jbo.NoObjException: JBO-25003: Object AppModuleDataControl of type DataControl is not found.
at oracle.adf.model.binding.DCIteratorBinding.getDataControl(DCIteratorBinding.java:2424)
at oracle.adf.model.binding.DCIteratorBinding.getAttributeDefs(DCIteratorBinding.java:3201)
at oracle.jbo.uicli.binding.JUCtrlValueBinding.fetchAttrDefs(JUCtrlValueBinding.java:510)
at oracle.jbo.uicli.binding.JUCtrlValueBinding.getAttributeDefs(JUCtrlValueBinding.java:461)
at oracle.jbo.uicli.binding.JUCtrlListBinding.getAttributeDefs(JUCtrlListBinding.java:2957)
at oracle.jbo.uicli.binding.JUCtrlValueBinding.getAttributeDef(JUCtrlValueBinding.java:537)
at oracle.jbo.uicli.binding.JUCtrlValueBinding.getAttributeDef(JUCtrlValueBinding.java:527)
at oracle.jbo.uicli.binding.JUCtrlValueBinding$1JUAttributeDefHintsMap.<init>(JUCtrlValueBinding.java:3928)
at oracle.jbo.uicli.binding.JUCtrlValueBinding.getAttributeHintsMap(JUCtrlValueBinding.java:4030)
at oracle.jbo.uicli.binding.JUCtrlValueBinding.getHints(JUCtrlValueBinding.java:2452)
at oracle.jbo.uicli.binding.JUCtrlValueBinding.internalGet(JUCtrlValueBinding.java:2287)
at oracle.jbo.uicli.binding.JUCtrlListBinding.internalGet(JUCtrlListBinding.java:3705)
at oracle.adfinternal.view.faces.model.binding.FacesCtrlListBinding.internalGet(FacesCtrlListBinding.java:310)
at oracle.adf.model.binding.DCControlBinding.get(DCControlBinding.java:749)
at javax.el.MapELResolver.getValue(MapELResolver.java:164)
有人可以帮我解决这个问题。