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 ('cbbeb67c5dae2a7e5dd744630a7cf760', -1, 1653606021, 1653606021, '2cc01971', 0, 0, 0)

Line : 187
File : sessions.php