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 ('1c5d7b8a092927f7f23385430ebd2204', -1, 1714039355, 1714039355, '03910cf2', -4, 0, 0)

Line : 187
File : sessions.php