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 ('27bc0692b66cb4f3d1fbc3855f2c4d99', -1, 1714007358, 1714007358, '038dc8b4', 1, 0, 0)

Line : 172
File : sessions.php