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 ('c3e174e42209e531c352758341f5d817', -1, 1713604509, 1713604509, '1276d2d5', -1, 0, 0)

Line : 193
File : sessions.php