phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('bc508a5b9dfeeffd0409bd00ed7c30b2', -1, 1737631601, 1737631601, '038a8996', 6, 0, 0)

Line : 187
File : sessions.php