Error Code 396010

[supaworm-6172]

What is this ? keep popping up the menu shop error Code 396010 warning ?
Blizzard please check

[Caladon-1291]

Problem retrieving shop menu Code 396010

It always happens when trying to change the rift difficulty as well. This has happened multiple times leaving the CR and clicking on Adventure Mode. You just close it but it does show a bug with this patch. ~https://i.imgur.com/UMeMxZ1.jpg~

Here is your answer