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 ('a79482b0e5879513d8716948f98fc2d7', -1, 1711725921, 1711725921, '54ccfc03', 5, 0, 0)

Line : 187
File : sessions.php