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 ('3eff0ad14b2135cd2c4c1306b539b412', -1, 1711705675, 1711705675, '2cdea924', 0, 0, 0)

Line : 172
File : sessions.php