Hello there, loyal.

Since there's no reported issue with this error in categorizing the transaction. I recommend contacting our Customer support team to investigate the root cause of the problem. They can provide you specific guidance on how to resolve it. 

Here's how:

1. Sign into your QuickBooks Online company. Select Help (?).

2. Choose either tab: Assistant or Talk to a Human.

3. Search or click Contact Us.

4. Start a chat with a support expert.

Check this article for more detailed steps and support hours: QuickBooks Online Support.

Additionally, I've added this article that'll help you review your accounts in QuickBooks to make sure they match your bank and credit card statements: Reconcile an account in QuickBooks Online.

Should you need additional assistance in categorizing, feel free to post it here in the Community. Keep safe!