hello. i got problem when playing RWR. i updated the game, then i continue recent game. when the game is loading, the game crashes and it says "invalid vector <t> subscript". please help!

this is the game log

15:19:04: Mesh: Loading chute.mesh.
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO341 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Texture: chute.png: Loading 1 faces(PF_A8R8G8B8,256x256x1) with hardware generated mipmaps from Image. Internal format is PF_A8R8G8B8,256x256x1.
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO342 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO343 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO344 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO345 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO346 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO347 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO348 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO349 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO350 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO351 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Can't assign material _missing_material_ to SubEntity of Ogre/MO352 because this Material does not exist. Have you forgotten to define it in a .material script?
15:19:04: Mesh: Loading barrier_item.mesh.
15:19:04: Texture: barrier_item.png: Loading 1 faces(PF_A8R8G8B8,64x42x1) with 5 generated mipmaps from Image. Internal format is PF_A8R8G8B8,64x42x1.
15:19:04: : new game created
15:19:04: : scene loaded
15:19:04: : settings loaded
15:19:04: : r=14467
15:19:04: : game reset
15:19:04: : uninit comms
15:19:04: : loading game, file=C:\Users\asus\AppData\Roaming\Running with rifles\savegames/battle0.save/game.xml
15:19:04: : uninit comms

The update breaks previous campaign save files. I generally take updating the campaign like this - if the soldier_animations.xml is updated with more stuff in it or the campaign has more stuff added to is, start a new game.