The user is receiving the below error message when attempting to publish an invoice.
There was an error when saving a Bill. QuickBooks error message: Only one a/r or a/p account allowed per transaction.
QuickBooks will not allow you to record transactions that contain:
Two A/R accounts
Two A/P accounts
One A/R account and one A/P account
To clear this error, please follow this guide, as it is an error coming from QuickBooks directly.