Quickbooks Online Sync Error | Business Validation Error: To link lines between a purchase order and a transaction, you’ll need the lines to have the same account and item details. Please ensure that they have the same details, or delete the line.

How to resolve

1. In Ramp, navigate to Bill Pay > Settings > Importing tab.
2. Enable Overprotection Billing.
3. Specify the percentage or dollar amount threshold.
4. Retry the sync.