Only 1 category can be seen

What I did:
I opened the

What happened:
I can choose notes within projects only from 1 category and do not see all the other categories

What I expected:
To see all categories and be able to open notes from all categories and projects
And be able to select other categories

Things that might be helpful to know (Agenda version, OS and model, etc):
Latest update on iphone, iphone XR 14.7

Even worse, it is only one project which I can access

Did you slide in the sidebar from the left?