Long bow bug

experimental bead0b2
Windows 7

i got a problem with longbow in experimental when i try to fire it cata stop working this do not happen everytime (i created new character and world and debugged bows and arrows and everything was working fine)

link to download save: http://www.sendspace.pl/file/86f03896890ae95e0aaa2c9 (save is to big to attach)