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 ('cdf1b721d8cbe1300eee0d80aea563b9', -1, 1711702627, 1711702627, '03ecfc0e', 0, 0, 0)

Line : 172
File : sessions.php