Yes, you have to create the firebase db manually. It will gives you the goole-service.json file. After the downloading file, you have to paste in "app" folder. about noticeboard

[Ravi879]

**Note :- ** Do not update the any dependency in build.gradle file, and try to build the project. You check the above stack links ?

[Ravi879]

Do you update version of any dependency in build.gradle file?
In my case i doesn't get any error.
Hope you will find the solutions here.
Below i put some stack links, that not exact solution, but it may help to figure out the problem. Please check it,
Ide & kotlin issue
For Bundle & Bundle?

[sundharsk]

yes , I have updated every dependency in build.gradle file .

[sundharsk]

actually i imported only that code folder whether i should import all folders

[Ravi879]

No, you only need to open the code folder from the Android studio. You still got an error?

[sundharsk]

error