I am using crosstab in my report and I am having problem with the data it displays. It repeats the column on the report when I use 'Data is pre-sorted' flag on crosstab. Please check the ticket i have raised in this regards. It has been confirmed by lucianc that this is due to a bug and suggested me to report it on the tarcker.
The reference to my ticket is:
I have also attached my report JRXML and CSV data sets that I used with the reports in the ticket in case you want to reproduce it. Thanks.
This has been fixed at JR SVN trunk revision 6312.