[Evocator]

Too much errors, the player name should be fetched before the string formatting. Plus you need to specify sscanf's string specifier's length or your server might crash.

Код:

CMD:jail(playerid,params[])
{
    if(pInfo[playerid][pAdminLevel] >= 1)
    {
        new
			id,
			time,
			reason[100],
			szString[150],
			PlayerName[MAX_PLAYER_NAME+1]
		;
        
        if (sscanf(params, "iis[100]", id, time, reason)) return SendClientMessage(playerid, -1, "*"COL_WHITE" /jail [playerid] [time] [reason]");
        if (!IsPlayerConnected(id)) return SendClientMessage(playerid, -1,"*"COL_RED" Player is not connected.");
        if (Jailed[id] == 1) return SendClientMessage(playerid, -1, "*"COL_RED" Player is already jailed.");
        
        GetPlayerName(id, PlayerName, sizeof(PlayerName));
		format(szString, sizeof(szString), "AdmSys-: %s (ID:%d) has been jailed for %d minutes; Reason: %s", PlayerName, id, time, reason);
		SendClientMessageToAll(-1, szString);

        SetPlayerInterior(id, 3);
		SetPlayerVirtualWorld(id, 10);
		SetPlayerFacingAngle(id, 360.0);
		SetPlayerPos(id, 197.5662, 175.4800, 1004.0);
		SetPlayerHealth(id, 9999999999.0);
		ResetPlayerWeapons(id);
		JailTimer[id] = SetTimerEx("Unjail",time*60000, false, "i", id);
	}
	else return 0;
	return 1;
}