Https and Thumbnail not showing

Hi I have managed to get the images to upload to my sub-domain which is great. Only one issue

1. The thumbnails in media are broken or not appearing?

My settings are

Field 1 images

Field 2 https://images.buckspartyvenues.com.au

Many thanks

Danny Kirk

https://www.ads-software.com/plugins/wp-original-media-path/