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 ('4b0aaa043b7a5a02d0d4245780113a4b', -1, 1717027100, 1717027100, '12750825', -4, 0, 0)

Line : 187
File : sessions.php