Unity] Android에서 빌드 에러 대처법

CASE 1 CommandInvokationFailure: Gradle build failed. C:/Program Files/Java/jdk1.8.0_201\bin\java.exe -classpath "C:\Program Files\Unity\Editor\Data\PlaybackEngines\AndroidPlayer\Tools\gradle\lib\gradle-launcher-4.2.1.jar" org.gradle.launcher.GradleMain "-Dorg.gradle.jvmargs=-Xmx2048m" "assembleRelease" stderr[ FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':transformDexWithDexForRelease'. > com.android.build.api.transform.TransformException: com.android.i...