The credit note is to represent the money coming back into your business and works the same with cash transactions. The Creditors account should be used for the Deposit then whichever Expense account would normally be used for the Credit Note.
Resolution for 'cash transactions issue: 'Petty cash refund' available: Yes.
The cash transactions issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the cash transactions issue yourself by looking for a resolution described in the article. If it is a complex cash transactions issue or you are unable to solve the issue, you may contact us by clicking here or by using other cash transactions support options.
For more information about resolving issues related to cash transactions in Quickbooks/QBO or to get support for the issue 'Petty cash refund', click the link below: