오류 내용 :
Modifying Android project files failed with output:
System.MemberAccessException: Cannot access property ProjectLevelBuildGradle because template is used for the underlying file.
Remove "Custom Base Gradle Template" template in the player settings to use this property
해결 방법 :
유니티 - 'File' - ' Build settings' - ' Player Settings' - ' Publishing Settings' -
Custom Base Gradle Template 체크 해제.