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 ('f5fb16946f27f9f2445f4580e771da49', -1, 1716748888, 1716748888, '0391b35f', -4, 0, 0)

Line : 187
File : sessions.php