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 ('8cdf15e2fed6c22463b9fd1ec3912a20', -1, 1711721955, 1711721955, '3456e367', 0, 0, 0)

Line : 193
File : sessions.php