Overview
The error indicates that Open File Dialog Action has failed to successfully display the File Dialog window. Most likely, the failure to display the open file dialog window is caused by irretrievable Variable Wizard values.
Solution
Verify whether the specified dynamic Variable Wizard values are retrievable when the Open File Dialog Action is executed.
Note
If no specified user was logged in (i.e., the user desktop was not opened) there is no environment for displaying the File Dialog box. Automation Workshop will log the following error message: Showing a modal dialog box or form when the application is not running in UserInteractive mode is not a valid operation. Specify the ServiceNotification or DefaultDesktopOnly style to display a notification from a Service application.
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