Hi Aida Bayzakova
I think I have found your root cause already. From your screenshot shown you didn't create the app with Template.
You refer to this link https://academy.mendix.com/link/modules/564/lectures/4442/2.1.1-Create-the-App
Follow the instructions and make sure you pay attention on the bolded font. see image below
Hi Aida Bayzakova,
You can easily fix it by set a home page like the image below:
hi Yun yeep Lee,
yes there is an error:
hi, yes, here is it:
thank you, i tried to change it in navigation, but the system gave me more errors, no i have 4 errors: