Some of you might have spotted an error
TdmDecker.UpdatePrices$3$ActRec.$2$Body$8$ActRec.$2$0$Body$9$ActRec.$2$0$0$Body
while updating prices from File | Update Prices menu.
Please send over your mtgstudio.price file to gaddlord@mtgstudio.com in order to troubleshoot and resolve this.