[POMOC] YCMD komanda error!

GetPlayerName(playerid, sendername, sizeof(sendername));

C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(7996) : error 017: undefined symbol "sendername"
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(7996) : error 017: undefined symbol "sendername"
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(7996) : error 029: invalid expression, assumed zero
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(7996) : 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.

new sendername;

YCMD:changename(playerid,params[],help)
	{
	    GetPlayerName(playerid, sendername, sizeof(sendername));
	    new sendername;
		new tmpp;
		tmpp = strtok(cmdtext, idx);
		if(!strlen(tmpp))
		{
			SendClientMessage(playerid, PLAVA, "POMOC: /changename [new nick]");
			return 1;
		}
		giveplayerid = strval(tmpp);
		tmp = strtok(cmdtext, idx);
		GetPlayerName(giveplayerid, giveplayer, sizeof(giveplayer));
		GetPlayerName(playerid, sendername, sizeof(sendername));
		if(IsPlayerConnected(playerid))
		{
		    if(PlayerInfo >= 1337)
		    {
		        if(IsPlayerConnected(giveplayerid))
		        {
					SetPlayerName(giveplayerid, tmp);
					format(string, sizeof(string), "AdmCMD: %s(%i) vam je promenio ime u %s", sendername, playerid, tmp);
					SendClientMessage(giveplayerid, PLVA, string);
					format(string, sizeof(string), "AdmCMD: Vi ste promenili igracu ID %i ime u %s", giveplayerid, tmp);
					SendClientMessage(playerid, SPLAVA, string);
					format(string, 256, " %s je promenio %s igracevo ime u %s.", sendername,giveplayer, tmp);
					ABroadCast(ZUTA,string,1);
				}
				else
				{
				    format(string, sizeof(string), "%d nije aktivan igrac.", giveplayerid);
					SendClientMessage(playerid, CRVENA, string);
				}
			}
			else
			{
			    SendClientMessage(playerid, CRVENA, "Nemate dozovolu za koristenje te komande!");
			}
		}
		else
		{
		    SendClientMessage(playerid, CRVENA, "Morate se prijaviti da biste koristili tu komandu!");
		}
	  	return 1;
	}

C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(7999) : error 017: undefined symbol "strtok"
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(7999) : error 033: array must be indexed (variable "tmpp")
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(8002) : error 035: argument type mismatch (argument 2)
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(8005) : error 017: undefined symbol "giveplayerid"
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(8006) : error 017: undefined symbol "tmp"
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(8006) : error 017: undefined symbol "strtok"
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(8007) : error 017: undefined symbol "giveplayerid"
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(8007) : error 017: undefined symbol "giveplayer"
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(8007) : error 029: invalid expression, assumed zero
C:\Users\Milos\Desktop\Pomozi Boze!\gamemodes\FCRP.pwn(8007) : fatal error 107: too many error messages on one line

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

10 Errors.

new sendername;
		GetPlayerName(playerid, sendername, sizeof(sendername));