I.e in lgb_gbu16_1000lb.tweak
I guess it must be ObjectTemplate.damage 2000, as it was in early versions.
So in the fab_250, all gbu, mec_250_bomb, mk82 and ru_bomb_ofab250 tweaks
Code:
ObjectTemplate.timeToLive CRD_NONE/10/0/0
ObjectTemplate.material 56
ObjectTemplate.hasOnTimeEffect 1
ObjectTemplate.localPredictOnClient 1
ObjectTemplate.armingDelay 3
ObjectTemplate.acceleration 9.81
ObjectTemplate.minDamage 1
ObjectTemplate.material 2000
So in the fab_250, all gbu, mec_250_bomb, mk82 and ru_bomb_ofab250 tweaks