IssueTracker

I'm trying to convert an .aar file and I'm getting a NullPointerException

Command line:
jetifier-standalone -i AudienceNetwork-5.2.0-unity.aar -o jetified-audience-network.aar

Error:
Exception in thread "main" java.lang.NullPointerException
        at java.nio.file.Files.provider(Files.java:97)
        at java.nio.file.Files.createDirectory(Files.java:674)
        at java.nio.file.Files.createAndCheckIsDirectory(Files.java:781)
        at java.nio.file.Files.createDirectories(Files.java:727)
        at com.android.tools.build.jetifier.processor.archive.Archive.writeSelfToFile(Archive.kt:107)
        at com.android.tools.build.jetifier.processor.archive.Archive.writeSelf(Archive.kt:87)
        at com.android.tools.build.jetifier.processor.Processor.transform2(Processor.kt:321)
        at com.android.tools.build.jetifier.processor.Processor.transform2$default(Processor.kt:251)
        at com.android.tools.build.jetifier.standalone.Main.run(Main.kt:156)
        at com.android.tools.build.jetifier.standalone.Main$Companion.main(Main.kt:109)
        at com.android.tools.build.jetifier.standalone.Main.main(Main.kt)

.aar file is attached. It's part of the Audience Network Unity SDK 5.2.0

macOS High Sierra 10.13.6

java -version
openjdk version "1.8.0_152-release"
OpenJDK Runtime Environment (build 1.8.0_152-release-1343-b01)
OpenJDK 64-Bit Server VM (build 25.152-b01, mixed mode)