ALTER TABLE `formBuilder_formData_i18n` MODIFY `locale` varchar(5) NOT NULL DEFAULT 'en_US';
UPDATE `formBuilder_formData_i18n` SET `locale` = 'en_US' WHERE `locale` = 'en';

ALTER TABLE `formBuilder_elements_i18n` MODIFY `locale` varchar(5) NOT NULL DEFAULT 'en_US';
UPDATE `formBuilder_elements_i18n` SET `locale` = 'en_US' WHERE `locale` = 'en';

ALTER TABLE `formBuilder_element_options_i18n` MODIFY `locale` varchar(5) NOT NULL DEFAULT 'en_US';
UPDATE `formBuilder_element_options_i18n` SET `locale` = 'en_US' WHERE `locale` = 'en';