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Can't build app - app.dexBuilderDebug Failed - D8 NullPointerException #1

@ChrizZz90

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@ChrizZz90

Hey, I tried to build this app with the current version of Android Studio, Gradle and JDK, but I get an error while building the app:

Task :app:dexBuilderDebug FAILED
ERROR: C:\Users\mail\Downloads\DesfireToolsForAndroidSdk33-master\DesfireToolsForAndroidSdk33-master\app\build\intermediates\javac\debug\classes\com\github\skjolber\desfire\core\DESFireEV1$Command.class: D8: java.lang.NullPointerException: Cannot invoke "String.length()" because "" is null
ERROR: C:\Users\mail\Downloads\DesfireToolsForAndroidSdk33-master\DesfireToolsForAndroidSdk33-master\app\build\intermediates\javac\debug\classes\com\github\skjolber\desfire\core\KeyType.class: D8: java.lang.NullPointerException: Cannot invoke "String.length()" because "" is null
ERROR: C:\Users\mail\Downloads\DesfireToolsForAndroidSdk33-master\DesfireToolsForAndroidSdk33-master\app\build\intermediates\javac\debug\classes\com\github\skjolber\desfire\ev1\model\DesfireApplication$1.class: D8: java.lang.NullPointerException: Cannot invoke "String.length()" because "" is null
ERROR: C:\Users\mail\Downloads\DesfireToolsForAndroidSdk33-master\DesfireToolsForAndroidSdk33-master\app\build\intermediates\javac\debug\classes\com\github\skjolber\desfire\ev1\model\DesfireTag$1.class: D8: java.lang.NullPointerException: Cannot invoke "String.length()" because "" is null

Does someone have an idea how to solve it? Otherwise, is there any other application to investigate and copy a DESFire EV NFC tag?

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