Tif images seem to cause weird loop
Try opening these pages: https://inkscape.org/en/~IanPerry372511980/%E2%98%851153-001+0 https://inkscape.org/en/~IanPerry372511980/%E2%98%851153-001
They won't stop loading.
Thumbnails are not created. In the gallery, there are 'broken image' icons.
The image itself doesn't look broken, even if it might not have been created with Inkscape (seems to be a trace of an archaeological item, or some jewelry).