archer refuses to pick up fire arrow

[princepawn-gru]

In this film:
http://www.gimbler.us/films/bugs/archer ... .12%202007

Using this plugin:
http://www.gimbler.us/maps/GimbleHeadtoHead_v1.zip

Created by Ba'ak of the Order of H'Pak (in other words: he has a lot of experience in making plugins and I dont think he changed anything).

When there are 42 seconds left in the match, I am trying to pickup a fire arrow over and over and even though the light green box shows up around it, the archer can never pick it up.

[Khadrelt]

The arrow was sitting on impassable terrain created by the tree. Your archer couldn't get close enough to grab it.