phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1406 Data too long for column 'session_id' at row 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8a3d35a0ef3d4cd1601177c136069edc', -1, 1571330957, 1571330957, '03e418c0', 0, 0, 0)

Line : 189
File : sessions.php