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 ('b997f8ce0cdb1c9c8713c3d9e6b17e2f', -1, 1716882839, 1716882839, '340eb0ef', 0, 0, 0)

Line : 187
File : sessions.php