#fixed code
                                public RuneList getDataRuneList() throws RiotApiException {

        return StaticDataMethod.getDataRuneList(getRegion(), getKey(), null, null, (RuneListData) null);
    }
#vulnerable code 
                                public RuneList getDataRuneList() throws RiotApiException {

        return StaticDataMethod.getDataRuneList(getRegion(), getKey(), null, null, null);
    } 
                            #location 3 
                            #vulnerability type NULL_DEREFERENCE