Response > Sync error - out of balance - downpayments ConnectWise have implemented a change where the "Tax" on the invoice is actually triggering tax to be applied to the whole invoice. If you look at the invoice, you will see that the "Service" is $0 and Tax is set to taxable. It can cause issues with the invoice: If you untick the "Taxable?" flag, it should resolve the issue. Let me know how you go. Login to Wise-Sync to view full article