Full Screen Causes challenges

I am still in the process of trying to figure out the exact criteria for failure but starting to collect thoughts here.

Desired Behavior:
-Have CookieCutter ops be able to go full screen on invoke, taking entire control of the UI for a very structured workflow

Current Attempts:
-Use a separate operator, a "Wizard Start" that calls bpy.ops.screen.screen_full_area() and then calls the first CookieCutter operator>
Fails: rays.py and useractions.py complain about a None types not having atrirbutes "width" etc.

-Call bpy.ops.screen_full_area() in the start() or start_ui() methods
Fails: rays.py and useractions.py complain about a None types not having atrirbutes "width" etc.

File "....\addon_common\common\useractions.py", line 167, in __init__
self.size = (context.region.width,context.region.height)
AttributeError: 'NoneType' object has no attribute 'width'