Further to this, this is so reproducible now i was easily able to make a video of the error. This now happens every single time i try to add the key as above.
If i delete LiveCloud Manager and re-install it, the newly added key is present; but if i try to add another key this all happens again...
video (Youtube - unlisted, so you need this link to access):
If i delete LiveCloud Manager and re-install it, the newly added key is present; but if i try to add another key this all happens again...
video (Youtube - unlisted, so you need this link to access):