[Error] - script_rid2sd player not attached

[gimomars]

Hi, can anyone help me to this error. Here's my script. This is a sample tarot event. If you have better than this sample. Please help. 

 

Thanks,

izlude,128,113,5	script	sdkfjsdf	100,{
	if ( .event == 2 ) end;
	else if ( .event == 1 ) {
		set .aid[ getarraysize(.aid) ], getcharid(3);
		announce strcharinfo(0) +" join in", 8;
		end;
	}
	announce "5 seconds to register", 1;
	set .event, 1;
	deletearray .aid;
	sleep 5000;
	set .event, 2;
	announce "event start", 8;
	while ( getarraysize(.aid) > 1 ) {
		sleep 1000;
		announce "attaching "+ rid2name(.aid[.@i]), bc_map;
		attachrid .aid[.@i];
		switch ( rand(523,526) ) {
			case 523:
				specialeffect2 523;
				set sp, 0;
				break;
			case 524:
				specialeffect2 524;
				sc_start SC_INCMATKRATE, 30000, -50;
				break;
			case 525:
				specialeffect2 525;
				sc_end sc_incagi;
				// .... all positive buff
				break;
			case 526:
				specialeffect2 526;
				if ( hp - 10000 < 0 ) {
					unitkill getcharid(3);
					deletearray .aid[.@i], 1;
					set .@i, .@i -1;
				}
				else
					set hp, hp - 10000;
				break;
		}
		set .@i, .@i +1 ;
		if ( .@i == getarraysize(.aid) ) {
			set .@i, 0;
			set .@round, .@round +1 ;
			announce "round "+ .@round, bc_map;
		}
	}
	if ( .aid == 0 )
		announce "nobody win", bc_map;
	else {
		announce "winner is "+ rid2name(.aid) , bc_map;
		attachrid .aid;
		getitem 501, 1;
	}
	set .event, 0;
	end;
}

[Emistry]

change sleep to sleep2