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, session_admin) VALUES ('bda331eb60e974268475074514b2f8db', -1, 1714019260, 1714019260, '03ebac7b', -1, 0, 0)

Line : 187
File : sessions.php