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 ('c625900c311c5e06d0a58c4f374078ee', -1, 1716901910, 1716901910, '0393eed6', -4, 0, 0)

Line : 187
File : sessions.php