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 ('3f6c74aef777f30071cc028f5e2fcc08', -1, 1714326318, 1714326318, '030e502d', -4, 0)

Line : 158
File : sessions.php