Error after submit new integrator

i have return error page after clik submit new integrator

Error Page

You have encountered an unexpected error. Please contact the System Administrator for assistance.

Click here for exception details.

and for details :

Exception Details.

oracle.apps.fnd.framework.OAException: java.lang.NullPointerException at oracle.apps.fnd.framework.OAException.wrapperException(OAException.java:912) at oracle.apps.fnd.framework.webui.OAPageErrorHandler.prepareException(OAPageErrorHandler.java:1169) at oracle.apps.fnd.framework.webui.OAPageErrorHandler.processErrors(OAPageErrorHandler.java:1435) at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2978) at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1875) at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:543) at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:431) at _OA._jspService(_OA.java:212) at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:59) at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:473) at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:594) at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:518) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64) at oracle.apps.jtf.base.session.ReleaseResFilter.doFilter(ReleaseResFilter.java:26) at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15) at oracle.apps.fnd.security.AppsServletFilter.doFilter(AppsServletFilter.java:388) at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:642) at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:391) at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:908) at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:458) at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:313) at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:199) at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260) at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303) at java.lang.Thread.run(Thread.java:735) ## Detail 0 ## java.lang.NullPointerException at oracle.apps.bne.wdf.importer.webui.BneImporterCO.processFormRequest(BneImporterCO.java:510) at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:819) at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:385) at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processFormRequest(OAPageLayoutHelper.java:1205) at oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processFormRequest(OAPageLayoutBean.java:1579) at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1031) at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:997) at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:852) at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:385) at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processFormRequest(OAFormBean.java:395) at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:1031) at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:997) at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:852) at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:385) at oracle.apps.fnd.framework.webui.beans.OABodyBean.processFormRequest(OABodyBean.java:363) at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2974) at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1875) at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:543) at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:431) at _OA._jspService(_OA.java:212)