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 ('d46c1af6ee93c6d8901902b221915a13', -1, 1709639258, 1709639258, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php