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 ('126c1867d0fa2379728975bc09a00c50', -1, 1717315033, 1717315033, '038cc2aa', -4, 0, 0)

Line : 187
File : sessions.php