Failed to resolve1.6.0-alpha01

Android
1

When validated results it is strange app requested the latest material design library (1.6.0-alpha01) as quoted: def material_version = “1.6.0-alpha01”

and URL:

https://maven.google.com/web/index.html?q=com.google.android.material#com.google.android.material:material

How to solve Failed to resolve: com.google.android.material:1.6.0-alpha01: