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 ('061c0e464a4e8a45f497e5a5d3530bba', -1, 1717264834, 1717264834, '031080f8', 1, 0, 0)

Line : 187
File : sessions.php