Unable to edit side menu layout in an existing AIA

I am editin an existing AIA which created by someone, But I am unable to find many options in that screens to edit the. I can see some Side menu in the App. But I can’t edit, rename or add into that. please help me. Thanks.

Copy it, and in the new version, delete the existing side menu and replace it.

See if that helps.

Wow such a good layout
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