I just tested on Windows7, 32bit, IE8 and I get the same results.
I get the "Error on page" message when trying to re-open the region and then try to move an object in the timeline. (See attachement).
I just tested on Windows7, 32bit, IE8 and I get the same results.
I get the "Error on page" message when trying to re-open the region and then try to move an object in the timeline. (See attachement).