[POP.016.0006] View source is not found:

hii
i run my project on tomcat server and get the following issue.What can be the cause of this issue?

Caused by: java.lang.RuntimeException: [POP.016.0006] View source is not found: /index.view
at com.webmethods.caf.faces.view.xml.XMLViewHandler.getInputSource(XMLViewHandler.java:83)
at com.webmethods.caf.faces.view.xml.XMLViewHandler.createBuilder(XMLViewHandler.java:40)
at com.webmethods.caf.faces.view.BaseViewHandler.createView(BaseViewHandler.java:86)
at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:208)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
… 30 more