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 ('1ec9a2cea928d1b038b2f3c797d2d39e', -1, 1717425773, 1717425773, '0391b173', -4, 0, 0)

Line : 187
File : sessions.php