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 ('a9c2ee80d5a3e8a2ecd5b9b3073dd2b1', -1, 1711700271, 1711700271, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php