phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('56a87652716493f594a919814678532b', -1, 1714040454, 1714040454, '12777e50', -4, 0, 0)

Line : 193
File : sessions.php