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 ('3b9e04dc6955d6d1d30e2e7f2f4eb2d4', -1, 1713425667, 1713425667, '12df6a64', -7, 0, 0)

Line : 172
File : sessions.php