[ricardo178]

Replace this line:

pawn Код:

public OnPlayerShootPlayer(Shooter,Target,Float:HealthLost,Float:ArmourLost)

With:

pawn Код:

public OnPlayerShootPlayer(playerid, Shooter,Target,Float:HealthLost,Float:ArmourLost)

And the forward(If there is one) with:

pawn Код:

forward OnPlayerShotPlayer(playerid, Shooter, Target, Float:HealthLost, Float:ArmourLost);