phpBB by Przemo : 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 ('5cd1b7f227b51c1ca4ab7abcc1ed5597', -1, 1746960746, 1746960746, '0d3b8dc3', 4, 0, 0)

Line : 443
File : sessions.php