\r
for(Group group : groupsToCheck)\r
{\r
- if(group.getParentGroupId() != null) // if there is a parent\r
+ if(group != null && group.getParentGroupId() != null) // if there is a parent\r
{\r
String parentId = group.getParentGroupId().toString();\r
Group parentGroup = groupMap.get(parentId);\r