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 ('49904c203d6d1ed1ee4f78e763cd1249', -1, 1711671384, 1711671384, '54ccfc03', -2, 0, 0)

Line : 187
File : sessions.php