Ionic Gradle error when building android project

[MeHuLY123]

Hey, I am using android studio version 3.5 and when I add a platform to my project using Cordova Cordova platform add android@6.3.0 after adding a platform to my project when I sync my project to the android studio, I am getting this error in every project. and I have to do some changes in AndroidManifest.xml and build.gradle and then all I can build APK properly. but I have to avoid these changes anyone helps me that how can I avoid these errors?
the screenshots of errors are as follow:

1. Wrapper error:
   

2. minSdkVersion error:
   

   

Thank you in advance…

Waiting for your reply…

[starlley]

Try the npm install for fix same package broken!

If not fix… Delete the folder platform and www in your project and try to build again!

[MeHuLY123]

i have tried that but didn’t work…