phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f5da6aaafd749a6b9de8b9e77075c0c6', -1, 1718504309, 1718504309, '12778f20', -9, 0, 0)

Line : 187
File : sessions.php