Thank you for your message and great to hear that you are using https://www.map.army.
We have internally tried to reproduce the reported issue. Did you follow these steps to load the SVG as a Local Image Layer:
Could you please send us the SVG should you still face the issue on your side. This would help us to reproduce the error you are facing.
Kind regards
Martin from the map.army team
Alexander
Thank you again for your message in regards to the loading of SVG (image overlay) in https://www.map.army.
We have just uploaded the latest version of the web application which includes the fix of the issue you have reported. Please verify on your side that you can use your image overlay again.