check your lines in weapon grp and remember there are 2 texture lines that you have to change example :
1* = texture 1
2* = texture 2
0 1 1 1 7 15 0 LineageWeapons.small_sword_m00_wp LineageWeaponsTex.small_sword_t00_wp icon.weapon_small_sword_i00 -1 1600 8 0 0 7 1 1 LineageWeapons.small_sword_m00_wp 1 LineageWeaponsTex.small_sword_t00_wp 4 ItemSound.sword_small_1 ItemSound.sword_big_7 ItemSound.sword_mid_6 ItemSound.public_sword_shing_4 ItemSound.itemdrop_sword ItemSound.itemequip_sword 10 8 6 1 0 8 0 0 0 0 379 0 1 1 1000 0 -1 0 0.00000000 0.00000000 0.00000000 1.00000000 1.00000000 LineageWeapons.rangesample 0.94999999 0.55000001 0.55000001 11.00000000 0.00000000 0.00000000 -1 -1 -1 -1