SoapServerException error when customizing list form (SPO and SP-onprem) using InfoPath designer

Symptoms

When you click on the "customize InfoPath" option in a Sharepoint list, you receive the following error:

SOAP response indicates that an error occurred on the server: Exception of type ‘Microsoft.SharePoint.SoapServer.SoapServerException‘ was thrown. [detail][errorstring xmlns=“https://schemas.microsoft.com/sharepoint/soap/”] List does not exist. The page you selected contains a list that does not exist. It may have been deleted by another user. [/errorstring][errorcode xmlns=“https://schemas.microsoft.com/sharepoint/soap/”]0x82000006[/errorcode][/detail]

Cause

This is a known issue on Windows 10 related to the update listed in KB 4489886, and is documented under the section "Known issues in this update".

Workarounds

Workaround 1

  1. Go to List setting.
  2. Select Form setting.
  3. Select Customize in InfoPath.

Workaround 2

You can open InfoPath, choose "Customize SharePoint List" from the startup options, and provide the URL of their list to open it in InfoPath directly.

More information

Microsoft is researching this problem and will post more information when it becomes available. We recommend this workaround as a temporary resolution.

Still need help? Go to SharePoint Community.