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 ('dd7aa2811d9e45e5910d82f98deaf46c', -1, 1711616776, 1711616776, '22e4a8c8', -10, 0, 0)

Line : 172
File : sessions.php