addExtensionSql("CREATE TABLE `{?_MYSQL_PREFIX?}_must_register` (
id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
field_name VARCHAR(255) NOT NULL DEFAULT '',
addExtensionSql("CREATE TABLE `{?_MYSQL_PREFIX?}_must_register` (
id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
field_name VARCHAR(255) NOT NULL DEFAULT '',