Bug for Descent into darkness

[Ferrous]

Version of Wesnoth: 1.5.10-1_beta2
Operating System: windows xp
Recreation of problem: In Descent into darkness, in the third mission, the campaign closed out and went back to the main menu right before the second turn.

Battle for Wesnoth v1.5.10-1_6beta2
Started on Thu Feb 19 20:30:30 2009

Automatically found a possible data directory at C:/Program Files/Battle for Wesnoth 1.5.10-1_6beta2

Data directory: C:/Program Files/Battle for Wesnoth 1.5.10-1_6beta2
User configuration directory: C:/Documents and Settings/Efi/My Documents/My Games/Wesnoth1.5

Checking video mode: 1024x712x32...
setting mode to 1024x712x32
20090219 21:43:39 error engine: Cannot create unit: location (-1,-1) is not on the map, and player 2 has no recall list.
20090219 21:57:09 error engine: Cannot create unit: location (-1,-1) is not on the map, and player 2 has no recall list.
20090219 22:05:54 error engine: Cannot create unit: location (-1,-1) is not on the map, and player 2 has no recall list.
20090219 22:07:48 error ai: Python AI script '../campaigns/Descent_Into_Darkness/ais/kamikaze.py' not found.
20090219 22:08:27 error ai: Python AI script '../campaigns/Descent_Into_Darkness/ais/kamikaze.py' not found.