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 ('3fe0c171666263551359d30f243fbc0f', -1, 1716955644, 1716955644, '12da9338', -1, 0, 0)

Line : 187
File : sessions.php