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 ('08c4dd0ce5fa4f22f5d9490482d75e5c', -1, 1711708438, 1711708438, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php