VRoid Hub models missing previews

[CetaceanNation]

[model:7968592171715564400:preview] got bad response from vroid hub, 404
b'{"data":{},"error":{"message":"not found","code":"COMMON_NOT_FOUND","details":{}},"_links":{},"rand":"53638eadf0eca2d5002a13df1836cd0b"}'

Not sure if these models are completely inaccessible or what yet, will check it out in more detail later.