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Q: When I try to define the scope for a GridPanel as Proc in the view, I'm getting the "No marshal_dump is defined for class Proc" error.

A: Instead of configuring the grid in the view, make a separate component for it, extending GridPanel, and configure the scopes there. The problem is that the "netzke" call in the view stores the component's configuration in the session, so, Proc objects can't be used in it.

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