[deather]

Код:

SetTimer("eStrike_AK_Timer", 1000, true);

You dont provide any params while you call the function, but you need the playerid in the function -
eStrike_AK_Timer(playerid).

Try this:

Код:

public OnPlayerConnect(playerid)
{
SetTimerEx("eStrike_AK_Timer", 1000, true, "i", playerid);
return 1;
}