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 ('3ad0e09bacc046f61c3b92dc3586b4ac', -1, 1714086070, 1714086070, '12e25dcf', -9, 0, 0)

Line : 172
File : sessions.php