The subaccounts are available by default in the android app and worked fine up until a week or two ago, before giving the aforementioned error.

The android app has the subaccounts available as default options and I was previously able to use then up until about a week ago.

After some further troubleshooting, I have found that the categorization will go through if I pick the primary category only(i.e. Utilities vs Utilities - Elect...

The error persists. It also happens when using the android app. I tried clearing the cache but no luck.