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 ('7a0c92d636fe57cb9f19ce9d7f6e5169', -1, 1713489266, 1713489266, '03901a53', -8, 0, 0)

Line : 187
File : sessions.php