Jova, Blue Marble is patched and uploaded:
http://www.eqinterface.com/download...nfo.php?id=5184
It is working 100% for me with no errors - I did not test the merchant window 'cause I was loading and unloading the UI on my trader in the bazaar, but I think I found the problem (I hope). Please let me know if the merchant window still does not work.