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 ('60c9f62510e41bfd393d619f535e91d3', -1, 1748511593, 1748511593, '030f14dc', -9, 0, 0)

Line : 190
File : sessions.php