QC is removing the wrong traceability

We are using QC11.0 and observed that there is a problem with removing traceability in Requirements. These are the steps we took to replicat ethe problem. Please let me know if anyone have seen this before and took any steps to resolve it.

1. In requirements module, go to any requirement.
2. Go to Requirements Traceability tab on the requirement window
3. Click on Add Requirement Traceability button
4. From the panel that appears on the right, select multiple requirements and move them to the Trace From Table.
5. Repeat step 4 to add more requirements to the Trace To Table.
6. Click Ok.
7. Open the Requirement window once again and go back to the Requirements Traceability tab
8. Select any requirement row in the Trace From table, except the first requirement.
9. Click on Remove Traceability button.
10. Instead of the requirement you selected getting deleted the first requirement in this table always gets deleted.
11. Repeat steps 9 and 10 with Trace To Table, again instead of the requirement you selected getting deleted the first requirement in this table always gets deleted.