ClassCastException

Hi,

Can anyone please tell me why one would get this exception? (Below is just a small snippet).

java.lang.ClassCastException
	at com.sap.tc.webdynpro.progmodel.context.Paths.getAttributeInfoFor(Paths.java:202)
	at com.sap.tc.webdynpro.clientimpl.html.uielib.standard.uradapter.DropDownByKeyAdapter.setViewAndNodeElement(DropDownByKeyAdapter.java:240)
	at com.sap.tc.webdynpro.clientimpl.html.uielements.adaptmgr.URAdapterManager.getAdapterFor(URAdapterManager.java:231)
	at com.sap.tc.webdynpro.clientimpl.html.uielements.adaptmgr.URAdapterManager.getAdapterFor(URAdapterManager.java:64)
	at com.sap.tc.webdynpro.clientimpl.html.uielib.standard.uradapter.LabelAdapter.getLabeledControlName(LabelAdapter.java:283)
	at com.sap.tc.webdynpro.clientimpl.html.renderer.uielements.ie6.LabelRenderer.render(LabelRenderer.java:70)
	at com.sap.tc.webdynpro.clientimpl.html.renderer.uielements.base.AbstractRenderManager.render(AbstractRenderManager.java:285)
	at com.sap.tc.webdynpro.clientimpl.html.renderer.uielements.base.AbstractRenderManager.render(AbstractRenderManager.java:97

Thanks

KG