Screenshots attached (I also captured the support details, because that CSV was formatted so badly when I pasted it in here that it made my brain sad)
When I opened a second window, and connected to my own campaign to test (used Chrome's incognito mode) everything loaded, but the background map file was very blurry/pixellated, almost as if it gave up loading the JPEG halfway through or something.
the map file is a 1650x1450 JPEG, and it's 431KB
I tried deleting & replacing the map, and even deleted and completely re-uploaded the file, but it still did the same thing. with the new file.
Problem is difficult to reproduce, since it's only happened 1/3 times that I've connected to test.
