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 ('8b6f9d8a17f0f791a8a6d5629b8e6d53', -1, 1717144172, 1717144172, '03134b85', -8, 0, 0)

Line : 187
File : sessions.php