[erminpr0]

Код:

public OnPlayerUpdate(playerid)
    {
        new Float:HealthX;
        GetPlayerHealth(playerid, HealthX);
        pStats[playerid][health] = HealthX;
        return 1;
    }

Be sure your variable 'health', whether in enumerator or not, have 'Float' tag

Код:

Float:health