Have you recently signed up for Payments and connected it to QuickBooks Online? Make sure that your payments and processing fees will be recorded to the correct accounts.
Edit deposit and processing fees accounts
Note: QuickBooks Solopreneur users can't change the default expense account.
Disclaimer: QuickBooks Payments account subject to eligibility criteria, credit and application approval. Money movement services are provided by Intuit Payments Inc., licensed as a Money Transmitter by the New York State Department of Financial Services.