1064 ошибка в SQL Синтаксис рядом с '! = GuildRank LIMIT 1 END' в строке 3
CREATE DEFINER=`root`@`localhost` PROCEDURE `DeleteUserGuildAttr`(IN userId INT unsigned, IN guildId
INT unsigned, IN guildRank SMALLINT unsigned)
BEGIN
DELETE FROM guildattr WHERE id=userId AND guild_id=guildId AND rank!=guildRank LIMIT 1;
END