I'm writing an application that like a DA adds a button onto the command bar. I 
can add the button and respond to its selection from another application. In 
response to the button I want to display a form and I do this with:

formBack = FrmGetActiveForm();
form = FrmInitForm(frmPopup);
FrmSetActiveForm(form);
FrmDrawForm(form);
// my event loop for the form, returns when exit button pressed
PopupEventLoop();
FrmEraseForm(form);
FrmDeleteForm(form);
FrmReturnToForm(FrmGetFormId(formBack));

However when I exit from my PopupEventLoop() I get the following fatal alerts 
from the Garnet Simulator:
form.c, Line:237, Call FrmEraseForm first
form.c, Line:6071, NULL form
and then the simulator crashes.

What am I doing wrong?

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