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 ('b5f5f509fecfe44550f8a9ad9a59ee87', -1, 1714715115, 1714715115, '340f3ba3', 7, 0)

Line : 158
File : sessions.php