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 ('f94b33d53ba3e859a96be80c64caea4a', -1, 1714781467, 1714781467, '0d3a524f', -10, 0)

Line : 158
File : sessions.php