Installation Error

When I try to install plugin I get these errors.

WordPress veritabanı hatası: [Index column size too large. The maximum column size is 767 bytes.]
CREATE TABLE IF NOT EXISTS wp_redirection_items( id int(11) unsigned NOT NULL auto_increment, url mediumtext NOT NULL, regex int(11) unsigned NOT NULL default ‘0’, position int(11) unsigned NOT NULL default ‘0’, last_count int(10) unsigned NOT NULL default ‘0’, last_access datetime NOT NULL, group_id int(11) NOT NULL default ‘0’, status enum(‘enabled’,’disabled’ ) NOT NULL default ‘enabled’, action_type varchar(20) NOT NULL, action_code int(11) unsigned NOT NULL, action_data mediumtext, match_type varchar(20) NOT NULL, title varchar(50) NULL, PRIMARY KEY ( id), KEY url (url(200)), KEY status (status), KEY regex (regex), KEY group_idpos (group_id,position), KEY group (group_id) ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci

WordPress veritabanı hatası: [Index column size too large. The maximum column size is 767 bytes.]
CREATE TABLE IF NOT EXISTS wp_redirection_404 ( id int(11) unsigned NOT NULL AUTO_INCREMENT, created datetime NOT NULL, url varchar(255) NOT NULL DEFAULT ”, agent varchar(255) DEFAULT NULL, referrer varchar(255) DEFAULT NULL, ip int(10) unsigned NOT NULL, PRIMARY KEY (id), KEY created (created), KEY url (url), KEY ip (ip), KEY referrer (referrer) ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;