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 ('81589d4a14ad59bea37dfd95510c0c78', -1, 1717408852, 1717408852, '03850d4c', -1, 0, 0)

Line : 187
File : sessions.php