Freeze befehl problem

ocmd:freeze(playerid, params[])
{
	if(!isPlayerAnAdmin(playerid,1))
	{
	    SendClientMessage(playerid,ROT,"***********************.");
	    return 1;
	}
	new PlayerId;
	if(sscanf(params, "u", PlayerId))
	{
	    SendClientMessage(playerid,ROT, "***********************************");
	    return 1;
	}
    if(PlayerId == INVALID_PLAYER_ID)
    {
	    SendClientMessage(playerid,ROT, "***********************************.");
	    return 1;
    }


	TogglePlayerControllable(PlayerId, 0);


	new String[255];
	format(String, sizeof(String), "*******************************************: %s (%d).", Player[playerid][Name], playerid);
	SendClientMessage(PlayerId,ROT, String);
	format(String, sizeof(String), "************: %s (%d) **************y.", Player[PlayerId][Name], PlayerId);
	SendClientMessage(playerid,ROT, String);


    return 1;
}

C:\Users\admin\Desktop\New folder\gamemodes\self.pwn(208) : error 017: undefined symbol "Player"
C:\Users\admin\Desktop\New folder\gamemodes\self.pwn(208) : warning 215: expression has no effect
C:\Users\admin\Desktop\New folder\gamemodes\self.pwn(208) : error 001: expected token: ";", but found "]"
C:\Users\admin\Desktop\New folder\gamemodes\self.pwn(208) : error 029: invalid expression, assumed zero
C:\Users\admin\Desktop\New folder\gamemodes\self.pwn(208) : fatal error 107: too many error messages on one line


Compilation aborted.Pawn compiler 3.2.3664	 	 	Copyright (c) 1997-2006, ITB CompuPhase




4 Errors.