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 ('bead61a9bcfe75fe7b6c6315aa66a5db', -1, 1714144963, 1714144963, '12d87c08', 13, 0, 0)

Line : 172
File : sessions.php