에러코드

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:uploadCrashlyticsMappingFileRelease'.
> Host name may not be empty

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.

* Get more help at https://help.gradle.org

app\build.gradle에서 수정

    buildTypes {
          debug {
              ...
          }
          release {
        	  ...
              
            // Execution failed for task ':app:uploadCrashlyticsMappingFileRelease'.
            // > Host name may not be empty
            
            firebaseCrashlytics {
                mappingFileUploadEnabled false
            }
        }
    }