How can I use the user control on a form to select an actor for an invoke form activity?  For example, an approver is not selected at the time workflow is started.  This goes to a controller to select an approver which they do by using a User control on the form.  The next step is to have the selected approver to get an approval form.

I'm getting the message i - Resource scarcity, action output - Not Enough Resources to Acknowledge when I try to set the approval form actor.  I've logged the user name selected to a log console and I get this: i - Appover Name = 8da46cee-21ac-499b-9007-e5c0463b5e5d.  I've tried to set the form actor to use ID=, Display Name=, DistingushedName=, and Designation=.  For example the assign actor in the approval form shows up as [Id] = [XmlVariables.SFFormData.SKRootDefinition.SelectApprover] where SelectApprover is the UserControl

What is the proper way to assign the actor using the variable from a user control?

Thanks,

Mike