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 ('10d1f53ec9d9ed7c712533d54dbfc399', -1, 1714184089, 1714184089, '12743e2d', -4, 0, 0)

Line : 172
File : sessions.php