ClassName property missing in file for Web Dynpro for ABAPSSO layer

We are trying to create an ABAP webdynpro iview using XML content creation in EP7.3. Below link points to the XML used to create the iview. After importing this xml, iview is being created in specified PCD location.
http://www.freeimagehosting.net/26365
But when we preview the iview, we are getting an exception which says
com.sapportals.portal.appintegrator.ApplicationIntegratorException: Missing Property 'ClassName' in property file for layer'WebDynpro/Web Dynpro for ABAPSSOLayer'.
We checked by creating another abap dynpro iview for the same application using iview template and that is working fine.
Details of the error log is mentioned below.
Content pass of Application Integrator failed.
Component Name:       'com.sap.portal.appintegrator.sap.WebDynpro',
Context Name (iView): 'pcd:portal_content/com.bat.folder.Sudip/com.bat.folder.xmlcontent/com.bat.folder.iview.abap.wd.Z_WD_COMPONENT',
Top Layer:            'WebDynpro/TopLayer',
Producer ID (FPN):    'null',
System Alias:         'SAP_ECC', 
Exception ID:01:50_02/01/12_0076_15632350
[EXCEPTION]
com.sapportals.portal.prt.component.PortalComponentException: Error in service call of Portal Component
Application name : com.sap.portal.appintegrator.sap
Component : pcd:portal_content/com.bat.folder.Sudip/com.bat.folder.xmlcontent/com.bat.folder.iview.abap.wd.Z_WD_COMPONENT
Component class : com.sapportals.portal.sapapplication.SAPApplicationIntegratorComponent
User : 98909242
at com.sap.portal.prt.core.PortalRequestManager.handlePortalComponentException(PortalRequestManager.java:765)
Caused by: com.sapportals.portal.prt.runtime.PortalRuntimeException: Exception in SAP Application Integrator occured: Missing Property 'ClassName' in property file for layer'WebDynpro/Web Dynpro for ABAPSSOLayer'.
... 54 more
Caused by: com.sapportals.portal.appintegrator.ApplicationIntegratorException: Missing Property 'ClassName' in property file for layer'WebDynpro/Web Dynpro for ABAPSSOLayer'.
01:50_02/01/12_0076_15632350
[EXCEPTION]
com.sapportals.portal.appintegrator.ApplicationIntegratorException: Missing Property 'ClassName' in property file for layer'WebDynpro/Web Dynpro for ABAPSSOLayer'.
at com.sapportals.portal.appintegrator.LayerProcessor.createLayer(LayerProcessor.java:361)
at com.sapportals.portal.appintegrator.LayerProcessor.getNextLayer(LayerProcessor.java:303)
at com.sapportals.portal.appintegrator.LayerProcessor.processActionPass(LayerProcessor.java:183)
at com.sapportals.portal.appintegrator.AbstractIntegratorComponent.doActionPass(AbstractIntegratorComponent.java:111)
at com.sapportals.portal.appintegrator.AbstractIntegratorComponent.doOnPOMReady(AbstractIntegratorComponent.java:70)
at com.sapportals.portal.prt.component.AbstractPortalComponent.handleEvent(AbstractPortalComponent.java:390)
at com.sap.portal.prt.core.RequestDispatcherFactory$PortalComponentRequestDispatcher$1.service(RequestDispatcherFactory.java:168)
at com.sap.engine.services.servlets_jsp.server.deploy.impl.module.IRequestDispatcherImpl.dispatch(IRequestDispatcherImpl.java:270)
at com.sap.portal.prt.core.RequestDispatcherFactory$PortalComponentRequestDispatcher.handleEvent(RequestDispatcherFactory.java:158)
at com.sap.portal.prt.pom.ComponentNode.handleEvent(ComponentNode.java:242)
at com.sap.portal.prt.pom.PortalNode.fireEventOnNode(PortalNode.java:342)
at com.sap.portal.prt.pom.PortalNode.processEventQueue(PortalNode.java:732)
at com.sap.portal.prt.core.PortalRequestManager.runRequestCycle(PortalRequestManager.java:473)
at com.sapportals.portal.prt.connection.ServletConnection.handleRequest(ServletConnection.java:203)
at com.sap.portal.prt.dispatcher.DispatcherServlet.service(DispatcherServlet.java:132)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.runServlet(FilterChainImpl.java:202)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.doFilter(FilterChainImpl.java:103)
at com.sap.portal.http.EnrichNavRequestFilter.doFilter(EnrichNavRequestFilter.java:49)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.doFilter(FilterChainImpl.java:79)
at com.sap.portal.http.EnrichNavRequestFilter.doFilter(EnrichNavRequestFilter.java:49)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.doFilter(FilterChainImpl.java:79)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:432)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:210)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:441)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:430)
at com.sap.engine.services.servlets_jsp.filters.DSRWebContainerFilter.process(DSRWebContainerFilter.java:38)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ServletSelector.process(ServletSelector.java:81)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ApplicationSelector.process(ApplicationSelector.java:276)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.WebContainerInvoker.process(WebContainerInvoker.java:81)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.ResponseLogWriter.process(ResponseLogWriter.java:60)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.DefineHostFilter.process(DefineHostFilter.java:27)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.MonitoringFilter.process(MonitoringFilter.java:29)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.SessionSizeFilter.process(SessionSizeFilter.java:26)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.MemoryStatisticFilter.process(MemoryStatisticFilter.java:57)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.DSRHttpFilter.process(DSRHttpFilter.java:43)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.server.Processor.chainedRequest(Processor.java:475)
at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.process(Processor.java:269)
at com.sap.engine.services.httpserver.server.rcm.RequestProcessorThread.run(RequestProcessorThread.java:56)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:122)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:101)
at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:328)
Can anyone please suggest how to solve this error ?
Regards
Kaushik

Hi,
Please check the system object 'SAP_ECC' connection test whether it is fine or not.
Producer ID (FPN): 'null', System Alias: 'SAP_ECC',
This message clearly states that the system object with alias SAP_SRM is missed or improperly configured.
Hope this helps u.
Best Regards
Vijay K

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