Policy cannot be opened or edited from the user interface.
NullPointerException has been found for the object as below:
[ActionServlet] ERROR - null java.lang.NullPointerException
at com.symantec.smg.controlcenter.messagefiltering.policy.FilterPolicyManager.convertToTransferObjectAction(FilterPolicyManager.java:2511)
at com.symantec.smg.controlcenter.messagefiltering.policy.FilterPolicyManager.addPolicyActions(FilterPolicyManager.java:961)
at com.symantec.smg.controlcenter.messagefiltering.policy.FilterPolicyManager.getPolicyDetails(FilterPolicyManager.java:228)
at com.symantec.smg.controlcenter.messagefiltering.policy.FilterPolicyAction.viewEditPolicy(FilterPolicyAction.java:207)
at com.symantec.smg.controlcenter.messagefiltering.virus.VirusFilterPolicyAction.viewEditVirusPolicy(VirusFilterPolicyAction.java:268)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Remove the corrupted policy and create a new one.