error 017: undefined symbol "idx" (И снова здравствуйте)

[MAWOP]

Ошибка(и):

D:\Секретик\Server\gamemodes\System Registr (ON).pwn(117) : error 017: undefined symbol "idx"
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(119) : error 017: undefined symbol "idx"
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(119) : warning 215: expression has no effect
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(121) : error 017: undefined symbol "idx"
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(123) : error 017: undefined symbol "idx"
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(125) : error 017: undefined symbol "idx"
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(126) : error 017: undefined symbol "idx"
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(126) : warning 215: expression has no effect
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(128) : error 017: undefined symbol "idx"
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(130) : error 017: undefined symbol "string"
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(130) : error 017: undefined symbol "string"
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(130) : error 029: invalid expression, assumed zero
D:\Секретик\Server\gamemodes\System Registr (ON).pwn(130) : fatal error 107: too many error messages on one line

Строка(и):

	if(strcmp(cmdtext, "/admin", true) == 0 || strcmp(cmdtext, "/a", true) == 0)
 	{
  		GetPlayerName(playerid, sendername, sizeof(sendername));
    	new length = strlen(cmdtext);
     	while ((idx < length) && (cmdtext[idx] <= ' '))
      	{
       		idx++;
       	}
        new offset = idx;
        new result[64];
        while ((idx < length) && ((idx - offset) < (sizeof(result) - 1)))
        {
        	result[idx - offset] = cmdtext[idx];
        	idx++;
        }
        result[idx - offset] = EOS;
        if(!strlen(result)) return SendClientMessage(playerid, 0xB8EAE7AA, "Используйте: (/a)dmin [Ваше сообщение]");
        format(string, sizeof(string), "(( {ff0000}%d {ffffff}| {33AA33}Администратор %s[??:%d]: %s ))",pInfo[playerid][pAdmin],sendername,playerid, result);
        if (PlayerInfo[playerid][pAdmin] >= 1)
        {
        	SendAdminMessage(0xB8EAE7AA, string);
        }
	}

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