Data Flask does not show error messages in popup dialogs*. Errors messages are printed in the status bar, and recorded in the history Results window.

Figure 9-1 Errors reported to the Results window
The results window is also used to log most messages sent to the status bar. Status bar messages appear in the lower left portion application window, and reports Ready when the program is first loaded.
*There are some situations where an error dialog will be presented. Such as
in those where the error is itself interface related, or the situation is
internally unexpected.
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