build.gradle error

[minminjao]

Hello, I don't know why there's an error in this part

I write this code: implementation 'com.github.StephenVinouze:KontinuousSpeechRecognizer:3.3.9'

and I got this error: Failed to resolve: com.github.StephenVinouze:KontinuoussSpeechRecognizer:3.3.9 Show in Project Structure dialog Show Details Affected Modules: app