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 ('e978390ccdbd56e511e85949c16e767b', -1, 1714654882, 1714654882, '12dc0d46', 7, 0)

Line : 158
File : sessions.php