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 ('9cb4b26c77456d9bc3234b468402297f', -1, 1737592473, 1737592473, '12e32e57', -9, 0, 0)

Line : 187
File : sessions.php