Currently, QuickBooks only provides an advanced inventory module in QuickBooks Enterprise.
1) Go to Company -> Preferences -> Item & Inventory -> Advanced Inventory Settings.
2) Click the checkbox: Multiple Inventory Sites is Enabled.
3) Save the settings.
4) Run the EZR Sync Utility again.
Please note: If you are using QuickBooks Standard/Pro/Pro Plus, you’ll need to upgrade to QuickBooks Enterprise to use this advanced inventory module.