I tried looking for error on vcd itself by watching the log file in real time and got bunch of java codes. Only 1st line and 17th line I can understand in this and its telling same thing which I am getting in vcd console.
com.vmware.ssdc.util.LMException: Unable to start vApp "Nexus1k".
at com.vmware.ssdc.backend.AbstractVAppImpl.deploySubset(AbstractVAppImpl.java:526)
at com.vmware.ssdc.backend.services.impl.VAppDeploymentManagerImpl.deployVm(VAppDeploymentManagerImpl.java:398)
at com.vmware.vcloud.vapp.impl.VAppServiceImpl.deployTask(VAppServiceImpl.java:1894)
at com.vmware.vcloud.vapp.impl.VAppServiceImpl.executeTask(VAppServiceImpl.java:691)
at com.vmware.vcloud.backendbase.management.system.TaskActivity$ExecutePhase$2.doInSecurityContext(TaskActivity.java:427)
at com.vmware.vcloud.backendbase.management.system.TaskActivity$ExecutePhase$2.doInSecurityContext(TaskActivity.java:421)
at com.vmware.vcloud.backendbase.management.system.TaskActivity$SecurityContextTemplate.executeForOrgAndUser(TaskActivity.java:674)
at com.vmware.vcloud.backendbase.management.system.TaskActivity$ExecutePhase.execute(TaskActivity.java:421)
at com.vmware.vcloud.backendbase.management.system.TaskActivity$ExecutePhase.invoke(TaskActivity.java:354)
at com.vmware.vcloud.activity.executors.ActivityRunner.run(ActivityRunner.java:109)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: com.vmware.ssdc.util.LMException: Invalid vApp properties: Property value not defined in value map.,Property value not defined in value map..
at com.vmware.ssdc.backend.AbstractVAppImpl.customizeVMs(AbstractVAppImpl.java:1007)
at com.vmware.ssdc.backend.AbstractVAppImpl.deploy(AbstractVAppImpl.java:592)
at com.vmware.ssdc.backend.AbstractVAppImpl.access$000(AbstractVAppImpl.java:105)
at com.vmware.ssdc.backend.AbstractVAppImpl$1.run(AbstractVAppImpl.java:489)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at com.vmware.ssdc.backend.AbstractVAppImpl.deploySubset(AbstractVAppImpl.java:504)