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Error: Synchronize Sales Channel: The remote server returned an error: (404) Not Found. [Square - Webgility Online]

This article helps Webgility Online users understand and troubleshoot the error “Synchronize Sales Channel: The remote server returned an error: (404) Not Found” in Webgility Online, specifically when integrating with Square. The error typically indicates a disruption in the connection between Webgility Online and the connected sales channel. Common causes include outdated credentials, insufficient permissions, or incorrect integration settings. The article provides guidance on how to identify and resolve these issues to restore synchronization.

What causes the Sales Channel Synchronization Error in Webgility Online?

The Sales Channel Synchronization Error occurs when Webgility Online loses authorization to your sales channel. You can resolve it in three steps: reauthorize the connection in Webgility Online, then verify that the Webgility app has the required permissions in your sales channel backend (e.g., Shopify, Amazon, or eBay).

Steps to troubleshoot the sales channel synchronization error

  1. Access Connection Settings

    • Log in to Webgility Online.

    • Navigate to Connections and look for Reauthorize (for the required sales channel)

  2. Update Sales Channel Credentials

    • Click Reauthorize

    • Follow the prompts and click Continue to re-enter your credentials and test the connection, if prompted

  1. Review sales channel permissions

    • If the connection test fails, verify that the Webgility Online application has full access in your sales channel backend (e.g., Shopify, Amazon, eBay)

    • Ensure all required permissions (such as order, customer, and product access) are granted to the Webgility app

    • Save changes and return to Webgility Online to re-test the connection