Pour les problème des textures noires, remettez les lignes par defaut:
TEXTUREGROUP_World=(MinLODSize=1,MaxLODSize=4096,L
ODBias=0)
TEXTUREGROUP_WorldNormalMap=(MinLODSize=1,MaxLODSi
ze=4096,LODBias=0)
TEXTUREGROUP_WorldSpecular=(MinLODSize=1,MaxLODSiz
e=4096,LODBias=0)
TEXTUREGROUP_Character=(MinLODSize=1,MaxLODSize=40
96,LODBias=0)
TEXTUREGROUP_CharacterNormalMap=(MinLODSize=1,MaxL
ODSize=4096,LODBias=0)
TEXTUREGROUP_CharacterSpecular=(MinLODSize=1,MaxLO
DSize=4096,LODBias=0)
TEXTUREGROUP_Weapon=(MinLODSize=1,MaxLODSize=4096,
LODBias=0)
TEXTUREGROUP_WeaponNormalMap=(MinLODSize=1,MaxLODS
ize=4096,LODBias=0)
TEXTUREGROUP_WeaponSpecular=(MinLODSize=1,MaxLODSi
ze=4096,LODBias=0)
TEXTUREGROUP_Vehicle=(MinLODSize=1,MaxLODSize=4096
,LODBias=0)
TEXTUREGROUP_VehicleNormalMap=(MinLODSize=1,MaxLOD
Size=4096,LODBias=0)
TEXTUREGROUP_VehicleSpecular=(MinLODSize=1,MaxLODS
ize=4096,LODBias=0)
TEXTUREGROUP_Cinematic=(MinLODSize=1,MaxLODSize=40
96,LODBias=0)
TEXTUREGROUP_Effects=(MinLODSize=1,MaxLODSize=4096
,LODBias=0)
TEXTUREGROUP_EffectsNotFiltered=(MinLODSize=1,MaxL
ODSize=4096,LODBias=0)
TEXTUREGROUP_Skybox=(MinLODSize=1,MaxLODSize=4096,
LODBias=0)
TEXTUREGROUP_UI=(MinLODSize=1,MaxLODSize=4096,LODB
ias=0)
TEXTUREGROUP_LightAndShadowMap=(MinLODSize=1,MaxLO
DSize=4096,LODBias=0)
TEXTUREGROUP_RenderTarget=(MinLODSize=1,MaxLODSize
=4096,LODBias=0)
Et je confirme que d'effacer le fichier en recréé un "par défaut".