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 ('16b9f6ca900ebf2b0656142289d24c56', -1, 1714154673, 1714154673, '0390248d', -8, 0, 0)

Line : 172
File : sessions.php