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 ('853f2d1e692f43ee2f4f8ce6092b1276', -1, 1716978738, 1716978738, '0d3b318a', 1, 0, 0)

Line : 187
File : sessions.php