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 ('993528ff4240c41dd0e3f941b8209901', -1, 1713409679, 1713409679, '03856dd3', -4, 0, 0)

Line : 187
File : sessions.php