WordPress database error: [Specified key was too long; max key length is 767 bytes]
CREATE TABLE wp_xhff_td_app_notifications ( `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT, `slug` varchar(255) NOT NULL, `title` text NOT NULL, `content` longtext NOT NULL, `type` varchar(64) NOT NULL, `level` text NOT NULL, `notification_id` bigint(20) unsigned DEFAULT NULL, `notification_name` varchar(255) DEFAULT NULL, `start` datetime DEFAULT NULL, `end` datetime DEFAULT NULL, `button1_label` varchar(255) DEFAULT NULL, `button1_action` varchar(255) DEFAULT NULL, `button2_label` varchar(255) DEFAULT NULL, `button2_action` varchar(255) DEFAULT NULL, `dismissed` tinyint(1) NOT NULL DEFAULT 0, `created` datetime NOT NULL, `updated` datetime NOT NULL, PRIMARY KEY (id), UNIQUE KEY ian_slug (slug), KEY ian_dates (start, end), KEY ian_type (type), KEY ian_dismissed (dismissed) ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_520_ci