Skip to content
  • There are no suggestions because the search field is empty.

How to Resolve the "Invalid SOAP Error" When Processing Shipments

This article helps Webgility Desktop users troubleshoot the "Invalid SOAP error" that may occur when processing shipments through carriers like Stamps.com. The error is typically related to shipment configuration issues, outdated integration data, or communication settings. The guide outlines steps to identify and resolve the problem, ensuring smooth label generation and shipment completion.

What Causes This Error?

The "Invalid SOAP error" usually appears due to one or more of the following reasons:

  • Shipment or integration settings are outdated or not synced

  • Changes in the shipping platform haven’t been properly refreshed

  • There are protocol mismatches during communication with the shipping carrier

This error can affect label generation and stop the shipping process entirely.

How to Fix It

1. Confirm the Error

Start by verifying that the issue is indeed the "Invalid SOAP error":

  • Review the error message carefully

  • Look for terms like "Invalid SOAP", or schema validation errors

  • Identify when the error occurs (e.g., during label generation or shipment processing)

  • Take note of:

    • The carrier involved (e.g., Stamps.com)

    • Any recent changes made to shipment or Connection settings

2. Refresh Shipment Settings

Refreshing the shipment configuration can often resolve this error:

  • Go to the Connections > Shipping section in the shipping platform

  • Navigate to Shipping Settings

  • Find the section labeled "Stamp.com" and check the settings

3. Retry Shipment Processing

Once the shipment settings have been refreshed:

  • Return to the shipping screen

  • Attempt to generate the label or process the shipment again

  • Confirm that the error no longer appears and that shipping functions as expected