Issues with publishing Error code 500

Recently me and my development team have been having issues with publishing ever since adding 2 new A chassis car models. The issue is not with the cars themself (we think) because we are able to publish in different games/baseplates with them. Whenever we publish, depending on if it is Roblox Publish or Roblox Publish As we get two different error codes. We either get an error of 500 Internal Server Error or we get **Place Upload server/endpoint not found. Place Publish Error - HTTP 404 (Not Found) **


we appreciate any and all help that will get this resolved.