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 ('651fd1acbfe52c8b91cd3e509c9ed0ca', -1, 1713489578, 1713489578, '12dfcd3d', 0, 0, 0)

Line : 187
File : sessions.php