Index: lams_common/src/java/org/lamsfoundation/lams/usermanagement/service/UserManagementService.java
===================================================================
diff -u -r3d4c6e49eac22677462612f300de55a9504021c3 -rf8e0b6190e9d346ff3ef2575254c16140cf91007
--- lams_common/src/java/org/lamsfoundation/lams/usermanagement/service/UserManagementService.java	(.../UserManagementService.java)	(revision 3d4c6e49eac22677462612f300de55a9504021c3)
+++ lams_common/src/java/org/lamsfoundation/lams/usermanagement/service/UserManagementService.java	(.../UserManagementService.java)	(revision f8e0b6190e9d346ff3ef2575254c16140cf91007)
@@ -807,16 +807,18 @@
 	
 	private Integer getRequestorId() {
 		UserDTO userDTO = (UserDTO)SessionManager.getSession().getAttribute(AttributeNames.USER);
-		return userDTO.getUserID();		
+		return (userDTO!=null ? userDTO.getUserID() : null);		
 	}
 	
 	public boolean isUserGlobalGroupAdmin() {
 		Integer rootOrgId = getRootOrganisation().getOrganisationId();
-		return isUserInRole(getRequestorId(), rootOrgId, Role.GROUP_ADMIN);
+		Integer requestorId = getRequestorId();
+		return (requestorId!=null ? isUserInRole(requestorId, rootOrgId, Role.GROUP_ADMIN) : false);
 	}
 	
 	public boolean isUserSysAdmin() {
 		Integer rootOrgId = getRootOrganisation().getOrganisationId();
-		return isUserInRole(getRequestorId(), rootOrgId, Role.SYSADMIN);
+		Integer requestorId = getRequestorId();
+		return (requestorId!=null ? isUserInRole(requestorId, rootOrgId, Role.SYSADMIN) : false);
 	}
 }
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