As temporary solution you can simply switch back to the old tabs.
Open the SkinDefintion.xml, search for
<!-- Deed log by JappMe -->
and delete the following lines until
<!-- Quest log -->
Don't forget to create a backup of the file before you start.
You are already using JappMe's most recent skin he is working on. So you can be quite sure that he will come up with a proper solution (as a new release) in the near future.