WordPress database error: [Specified key was too long; max key length is 767 bytes]
CREATE TABLE v6ax_woocommerce_custom_region_by_country ( id int(50) NOT NULL AUTO_INCREMENT, countrycode varchar(200) NULL, /* regioncode varchar(200) NULL, */ regionlist longtext null, created_date datetime DEFAULT CURRENT_TIMESTAMP NULL, PRIMARY KEY (id), CONSTRAINT UNIQUE (countrycode) ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci