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 ('a8391de4d13debb1eb2a26c50683876e', -1, 1716595796, 1716595796, '0387c9d1', 1, 0, 0)

Line : 187
File : sessions.php