phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1406 Data too long for column 'session_admin' 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 ('471d21ac5d3b6d3fc450afea8d873c5b', -1, 1714081205, 1714081205, '12df7711', 16, 0, 0)

Line : 172
File : sessions.php