Error message Query

[Charles Stewart]

Error: Failed to execute 'insertBefore' on 'Node': The node before which the new node is to be inserted is not a child of this node..
Error info: 
    in m
    in Suspense
    in pe
    in div
    in p
    in Te
    in c
    in gn
    in Ln

[Kurt Schnabel]

I am experiencing this as well

[Charles Stewart]

@Kurt Schnabel 

After a few minutes, the error seemed to fix itself.

Still, it would be nice to know what happened, as the error caused the entire web page to freeze while loading and hang.