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 ('c27de5e5c7642652473a3b4a3670013d', -1, 1737659484, 1737659484, '12dd6c8e', 4, 0, 0)

Line : 187
File : sessions.php