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 ('b0d9bd607164b74d8fc3b8afc9556e41', -1, 1714101013, 1714101013, '1275d8e5', -4, 0, 0)

Line : 172
File : sessions.php