The Value SystemException IsNot Nothing Contains Significant White Space But Xml Space

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When hit the run button on Studio the automation is failing with this error: The value '[SystemException IsNot Nothing]' contains significant white space(s) but "xml:space = preserve" cannot be written down on the member '{http://schemas.microsoft.com/netfx/2009/xaml/activities}Transition.Condition'.

Issue Description:

After Upgrading the Studio from version 2020.10.2 to 2022.10.5 , it is required to upgrade the code from Windows legacy to Windows.

The value '[SystemException IsNot Nothing]' contains significant white space(s) but "xml:space = preserve" cannot be written down on the member '{http://schemas.microsoft.com/netfx/2009/xaml/activities}Transition.Condition'.

Save: RemoteException wrapping System.Xaml.XamlXmlWriterException: The value '[SystemException IsNot Nothing]' contains significant white space(s) but "xml:space = preserve" cannot be written down on the member '{http://schemas.microsoft.com/netfx/2009/xaml/activities}Transition.Condition'.

at System.Xaml.XamlXmlWriter.InMember.WriteXmlSpaceOrThrow(XamlXmlWriter writer, String value)

at System.Xaml.XamlXmlWriter.InMember.WriteValue(XamlXmlWriter writer, String value)

at UiPath.Workflow.Operations.Serializer.Services.IgnorableSapSadXamlXmlWriter.WriteValue(Object value)

at System.Xaml.XamlServices.Transform(XamlReader xamlReader, XamlWriter xamlWriter, Boolean closeWriter)

at System.Activities.XamlIntegra

Resolution:

  1. Open the JSON file and check for the value "SystemException"
  2. In that JSON file check for "SystemException" for the spacing between 'IsNot Nothing'(There shouldn't be any spaces in between.)
  3. Save the JSON file and re open the studio.

Note: It is not the best practice to modify JSON file always.