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 ('bc6f478751f2d9bb74425b1e231f3d83', -1, 1717250304, 1717250304, '0d3bed3a', 1, 0, 0)

Line : 187
File : sessions.php