[clarencecuzz]

Syntax for GetPlayerHealth:

Код:

GetPlayerHealth(playerid, Float:&Health);

You need to save the parameter 'Health' to another variable like so.

pawn Код:

if(issuerid != INVALID_PLAYER_ID && weaponid == 34)
{
    new Float:health;
    GetPlayerHealth(playerid, health); //We're saving it to our new Float:health variable.
    SetPlayerHealth(playerid, (health - 50));
    return 1;
}