I had the same error. I’ve got able to bypass the problem by editing the SetupAndroid.bat, line 75, and removing lld;3.1 from the install list:
call “%SDKMANAGER%” “platform-tools” “platforms;android-28” “build-tools;28.0.3” “cmake;3.10.2.4988404” “ndk;21.1.6352462”