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 ('836d2bf1ac066c15f76f1ce8792043a8', -1, 1714193029, 1714193029, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php