KOSPI 200 data feed problem again

In my previous post, KOSPI 200 data feed fixed, I mentioned that the K200 data feed problem has been fixed.  I have asked IB whether they will correct the data for the past 6 trading days.  Not only that they said they couldn't.  The problem is now even worst.

This is the Weekly Chart (because I cannot even show a useful daily chart).  The data between 23-Jul-2010 and 18-Apr-2011, 12-Oct-2012 and 7-Apr-2014 is lost!

I reported the problem on 9-Apr-2014, reminded them on 16th, 25th.  They have not responded since.  Probably don't know what/how to response.