ERROR 1074 Column Length too long, recommends unobtainable value

MariaDB [bb]> alter table bookings modify notes varchar(32000) character set utf8mb4;

ERROR 1074 (42000): Column length too big for column 'notes' (max = 16383); use BLOB or TEXT instead

MariaDB [bb]> alter table bookings modify notes varchar(16383) character set utf8mb4;

ERROR 1118 (42000): Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs

MariaDB [bb]> alter table bookings modify notes varchar(16354) character set utf8mb4;

Query OK, 257 rows affected (0.147 sec)            

Records: 257  Duplicates: 0  Warnings: 0

MariaDB [bb]> alter table bookings modify notes varchar(16355) character set utf8mb4;

ERROR 1118 (42000): Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs

CREATE TABLE `bookings` (

  `hotel` varchar(10) NOT NULL,

  `nights` int(11) DEFAULT NULL,

  `customer` varchar(60) DEFAULT NULL,

  `price` decimal(40,3) DEFAULT NULL,

  `id` varchar(10) NOT NULL,

  `checkin` date NOT NULL,

  `checkout` date NOT NULL,

  `guests` int(11) DEFAULT NULL,

  `notes` varchar(16354) CHARACTER SET utf8mb4 DEFAULT NULL,

  PERIOD FOR `booking` (`checkin`, `checkout`),

  PRIMARY KEY (`id`),

  UNIQUE KEY `hotel` (`hotel`,`booking` WITHOUT OVERLAPS)

) ENGINE=InnoDB DEFAULT CHARSET=latin1