phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('70dd81121a071a0139eea098c4b62d9d', -1, 1714347795, 1714347795, '12df728e', -10, 0)

Line : 158
File : sessions.php