Prolbem while installing EDI documents from WmEDIforTN Home page

When i try to install EDI X12 documents from WmEDIforTN home i am getting the following errror. Can any body help me to solve this problem.

X12_4010_270 document type and schema aren’t set in TN successfully. Failed to install doc type - java.lang.NullPointerException [EDIFTN.000010.000009] java.lang.NullPointerException java.lang.NullPointerException at com.wm.app.tn.doc.BizDocType.setAttributeTransform(BizDocType.java:316) at com.wm.app.tn.doc.BizDocType.setAttributeTransform(BizDocType.java:304) at wm.b2b.editn.installTypesFromFile(editn.java:845) at wm.b2b.editn.installTypes(editn.java:536) at java.lang.reflect.Method.invoke(Native Method) at com.wm.app.b2b.server.JavaService.baseInvoke(JavaService.java:287) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:344) at com.wm.app.b2b.server.BaseService.invoke(BaseService.java:153) at com.wm.lang.flow.FlowInvoke.invoke(FlowInvoke.java:324) at com.wm.lang.flow.FlowState.invokeNode(FlowState.java:577) at com.wm.lang.flow.FlowState.step(FlowState.java:435) at com.wm.lang.flow.FlowState.invoke(FlowState.java:400) at com.wm.app.b2b.server.FlowSvcImpl.baseInvoke(FlowSvcImpl.java:1740) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:344) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:119) at com.wm.app.b2b.server.ns.Namespace.invoke(Namespace.java:522) at com.wm.util.template.Reporter.invoke(Reporter.java:963) at com.wm.util.template.InvokeToken.eval(InvokeToken.java:75) at com.wm.util.template.IfVarToken.evalChild(IfVarToken.java(Compiled Code)) at com.wm.util.template.IfVarToken.evalChild(IfVarToken.java(Compiled Code)) at com.wm.util.template.IfVarToken.eval(IfVarToken.java(Compiled Code)) at com.wm.util.template.IfVarToken.eval(IfVarToken.java(Compiled Code)) at com.wm.util.template.TemplateToken.evalChild(TemplateToken.java(Compiled Code)) at com.wm.util.template.TemplateToken.eval(TemplateToken.java(Compiled Code)) at com.wm.util.template.Reporter.reportNoReset(Reporter.java:1299) at com.wm.util.template.Reporter.reportToOutput(Reporter.java:1274) at com.wm.util.template.Reporter.reportIData(Reporter.java:1163) at com.wm.app.b2b.server.HTTPDocHandler._process(HTTPDocHandler.java:490) at com.wm.app.b2b.server.HTTPDocHandler.process(HTTPDocHandler.java:112) at com.wm.app.b2b.server.Dispatch.run(Dispatch.java:216) at com.wm.util.pool.PooledThread.run(PooledThread.java:105) at java.lang.Thread.run(Thread.java:498)

Reload WmEDIForTN package.