Проблема с регистрацией

[XeNoNee]

В общем, пишу регистрацию. MySQL r-7. Но проверка есть ли аккаунт в бд не проходит, а mysql выдаёт ошибку
Код:

	new query[75];
	format(query, sizeof(query), "SELECT 'id' FROM 'accounts' WHERE 'login' = '%s'", sendername(playerid));
	mysql_function_query(dbHandle, query, true, "player_regcheck", "ii", playerid, 0);
	return 1;

Ошибка MySQL:

22:56:51] CMySQLHandler::Connect() - Connection was successful.
[22:56:51] CMySQLHandler::Connect() - Auto-Reconnect has been enabled.
[22:56:51] >> mysql_ping( Connection handle: 1 )
[22:56:51] CMySQLHandler::Ping() - Connection is still alive.
[22:56:51]  
[22:56:51]  ** MySQL Debugging enabled (08/21/16)
[22:56:51]  
[22:56:56] >> mysql_query_callback( Connection handle: 1 )
[22:56:56] Passing query SELECT 'id' FROM 'accounts' WHERE 'nickname' = Nick_Name' | ii
[22:56:56] CMySQLHandler::ProcessQueryThread() - Error will be triggered to OnQueryError()