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 ('f91e5811305884e2f3b0bb549b2e6eae', -1, 1711705616, 1711705616, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php