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 ('deab417bbffb865992f2df89d1075e72', -1, 1713606866, 1713606866, '1277f814', -10, 0, 0)

Line : 172
File : sessions.php