upload embed in development mode will get Notice: Undefined index and File not found when use YouTube API Key

[everyx]

• Version of Directus v8.6.2

• Server, OS & Database Details: Caddy server in docker with MySQL 8

• Error Messages:

1. don't use youtube API key:

{"data":{"private_hash":"rh1k899g8y8c8wgs","filesize":0,"tags":[],"filename_disk":"a97bf4c8-2207-458f-8026-bf558b83399e.jpg","width":560,"checksum":null,"filename_download":"youtube_8gWWpwLN67c.jpg","height":340,"metadata":null,"title":"YouTube - 8gWWpwLN67c","duration":null,"type":"embed\/youtube","embed":"8gWWpwLN67c","uploaded_by":1,"folder":null,"id":15,"uploaded_on":"2020-05-11T02:31:58+00:00","description":null,"storage":"s3","charset":"","location":null,"data":{"full_url":"https:\/\/fengsi-io.sfo2.cdn.digitaloceanspaces.com\/api\/kingtower\/originals\/a97bf4c8-2207-458f-8026-bf558b83399e.jpg","url":"https:\/\/fengsi-io.sfo2.cdn.digitaloceanspaces.com\/api\/kingtower\/originals\/a97bf4c8-2207-458f-8026-bf558b83399e.jpg","thumbnails":null,"embed":{"html":"<iframe width=\"560\" height=\"340\" src=\"\/\/www.youtube.com\/embed\/8gWWpwLN67c\" frameborder=\"0\" allowfullscreen><\/iframe>","url":"https:\/\/www.youtube.com\/watch?v=8gWWpwLN67c"}}}}
Notice: Undefined index: fileId in /var/directus/src/core/Directus/Filesystem/Files.php on line 399

2. use Youtube API Key:

{"error":{"code":null,"message":"File not found at path: 81064240-5cfd-4315-a99b-eb66b6c05b10","class":"League\\Flysystem\\FileNotFoundException","file":"\/var\/directus\/vendor\/league\/flysystem\/src\/Filesystem.php","line":389}}

• Steps to Reproduce

1. don't use youtube API key:
   

2. use Youtube API Key: