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 ('9d41e657a3b24d23ba66cb5b6ac3b4d4', -1, 1714112779, 1714112779, '0d3b2257', -2, 0, 0)

Line : 172
File : sessions.php