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 ('4acf0b6ff9b81e1692a79f6be2eaae41', -1, 1714622175, 1714622175, '12dc4080', 6, 0, 0)

Line : 187
File : sessions.php