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    Error "soap:ServerServer was unable to process request Failed to publish workflow" publishing workflow with live action

    Summary
    When trying to publish a workflow with the live action to create an Exchange Online Calendar item, the following error might occur: soap:ServerServer was unable to process request ---> Failed to publish workflow.

    Solution

    Check the Web.Config file for the web application.  

    ---------------------------

    Under <SafeControls>

    <safeControl Assembly="Nintex.Workflow.Live, Version=1.0.0.0, Culture=neutral, PublicKeyToken=bd539bd4aa1e2820" Namespace="Nintex.Workflow.Live.Controls" TypeName="*" Safe="True" SafeAgainstScript="False" />

    Under <expressionPrefix>

    <add expressionPrefix="NWLResources" type="Nintex.Workflow.Live.Localization.NWLResourceExpressionBuilder, Nintex.Workflow.Live, Version=1.0.0.0, Culture=neutral, PublicKeyToken=bd539bd4aa1e2820" />
          </expressionBuilders>

    Under <expressionBuilders> 

    <add expressionPrefix="NWLResources" type="Nintex.Workflow.Live.Localization.NWLResourceExpressionBuilder, Nintex.Workflow.Live, Version=1.0.0.0, Culture=neutral, PublicKeyToken=bd539bd4aa1e2820" />
          </expressionBuilders>