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 ('86d03b359867f788208b1ba4dc993b32', -1, 1717270068, 1717270068, '12bc4042', -9, 0, 0)

Line : 187
File : sessions.php