If you are unable to send invoices from Core to QuickBooks and get an error, it might be because the invoice number is already in use in QuickBooks. Try using a different invoice number and then sync.
- Why can't I get my vendor bills from QuickBooks?
- Do attachments transfer when sending invoices to Xero?
- Can I map multiple payments from QuickBooks to a single payment in Core?
- Can I update sub-classes for my entries and push the changes to QuickBooks?
- Do Core projects sync to QuickBooks Online projects or customers?
- Does Core support automatic smart match with QuickBooks Online?
- Why are QuickBooks time entries syncing with wrong time increments?
- Why can't I send my invoices to QuickBooks?
- If I update mapped Core records, do they automatically update in QuickBooks?
- When connecting QuickBooks to Core, where is the sign-in?