phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8cabf1d6c09fdff2643a3a2d99f2c7d1', -1, 1717367442, 1717367442, '0390de31', -6, 0, 0)

Line : 187
File : sessions.php