23:23 UTC: This issue is now resolved. The cause of the issue was a change due to the 4.4.3 release, may have affected multiple regions, and has since been fixed.
21:15 UTC: Our development team continues to investigate this issue. We appreciate your on-going patience.
19:57 UTC: Our development team continues to investigate this issue. We appreciate your on-going patience.
18:30 UTC: Our development team continues to investigate this issue. We appreciate your on-going patience.
16:28 UTC: We are aware that some webstores are experiencing failed orders due to the following reason:
<<*>>ERROR MESSAGES (response)|*|Insert Order: Order [SHIPTO]: Customer ship-to code XXX does not exist.
We are currently investigating and will update this post when we have more information.
