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 ('d403cda15d22bc86b376d8a817d15182', -1, 1747378979, 1747378979, '12bcc1e4', 13, 0, 0)

Line : 190
File : sessions.php