Cannot Access Fragment

[ravirajjak]

Hi,
I am getting following error at Compile Time
error: cannot access Fragment
class file for androidx.fragment.app.Fragment not found

[TamaraShlomovMoveo]

I also get the same error

[luifermoron]

Same! :(

[alimousavi71]

Same! :(
I also get the same error

[ranahyder87]

I also getting same error!

[ravirajjak]

downgrade the version

[Kharlos]

downgrade the version

Which one? i changed to 1.1.7 and i got this error
ERROR: Failed to resolve: com.github.florent37:viewtooltip:1.1.7
Show in Project Structure dialog
Affected Modules: app