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 ('a73783363fa8a3f5af042109c46a09f0', -1, 1717507008, 1717507008, '12bcb330', -9, 0, 0)

Line : 187
File : sessions.php