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 ('db80542deb05b423dbddd92b5f9251b3', -1, 1713513867, 1713513867, '12d87b78', 16, 0, 0)

Line : 172
File : sessions.php