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 ('00760a22baf7cc3fd1855485660fb203', -1, 1714022071, 1714022071, '12dd5521', 3, 0, 0)

Line : 187
File : sessions.php