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 ('c8c4ffcc16eaf7984287f202f12e2943', -1, 1716670471, 1716670471, '03858c99', 1, 0, 0)

Line : 187
File : sessions.php