Why doesn't Save All just save all?

Development Programming & Scripting Blueprint
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Following this tut here: Making A Game in UE5 4: Basic Level Blockout using the Cube Grid - YouTube

I shouldn’t have to hit “Accept” button when modeling if I have clicked “Save All” that is what save all means it means to save it all.

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1920×1080 306 KB

1920×1080 356 KB

Why is mine making props and his completing his map? Is this a button I’ve not pushed somewhere or an update difference between his UE5 and mine?