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 ('35eeb6bc9e2334ba2eaac69a80fc3159', -1, 1628123602, 1628123602, '03ec32c9', 37, 0, 0)

Line : 189
File : sessions.php