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 ('1cfe5cc0ad9cd8bf1d1be05a05b7211b', -1, 1713853775, 1713853775, '12778348', -1, 0)

Line : 158
File : sessions.php