java.lang.NoClassDefFoundError: Failed resolution of: Lcom/vasco/digipass/sdk/utils/utilities/UtilitiesSDK;

flutter pluginを作成した

UtilitiesSDKをflutter pluginにラップしましたが、呼び出す時は下記のエラーが発生されました。

E/AndroidRuntime(14564): FATAL EXCEPTION: main
E/AndroidRuntime(14564): Process: com.ntt.biz_sol_plugin_example, PID: 14564
E/AndroidRuntime(14564): java.lang.NoClassDefFoundError: Failed resolution of: Lcom/vasco/digipass/sdk/utils/utilities/UtilitiesSDK;
E/AndroidRuntime(14564):     at com.vasco.digipass.sdk.utils.devicebinding.DeviceBindingSDK.a(SourceFile:81)
E/AndroidRuntime(14564):     at com.vasco.digipass.sdk.utils.devicebinding.DeviceBindingSDK.getFingerprint(SourceFile:1)
E/AndroidRuntime(14564):     at com.ntt.biz_sol_plugin.BizSolPlugin.onMethodCall(BizSolPlugin.java:42)
E/AndroidRuntime(14564):     at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:258)
E/AndroidRuntime(14564):     at io.flutter.embedding.engine.dart.DartMessenger.invokeHandler(DartMessenger.java:295)
E/AndroidRuntime(14564):     at io.flutter.embedding.engine.dart.DartMessenger.lambda$dispatchMessageToQueue$0$io-flutter-embedding-engine-dart-DartMessenger(DartMessenger.java:322)
E/AndroidRuntime(14564):     at io.flutter.embedding.engine.dart.DartMessenger$$ExternalSyntheticLambda0.run(Unknown Source:12)
E/AndroidRuntime(14564):     at android.os.Handler.handleCallback(Handler.java:938)
E/AndroidRuntime(14564):     at android.os.Handler.dispatchMessage(Handler.java:99)
E/AndroidRuntime(14564):     at android.os.Looper.loopOnce(Looper.java:201)
E/AndroidRuntime(14564):     at android.os.Looper.loop(Looper.java:288)
E/AndroidRuntime(14564):     at android.app.ActivityThread.main(ActivityThread.java:7842)
E/AndroidRuntime(14564):     at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime(14564):     at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
E/AndroidRuntime(14564):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003)
E/AndroidRuntime(14564): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.vasco.digipass.sdk.utils.utilities.UtilitiesSDK" on path: DexPathList[[zip file "/data/app/~~kEWs3ci_XriDbtekn0hvfw==/com.ntt.biz_sol_plugin_example-f5mPFyjNPb7630wUyZLlzg==/base.apk"],nativeLibraryDirectories=[/data/app/~~kEWs3ci_XriDbtekn0hvfw==/com.ntt.biz_sol_plugin_example-f5mPFyjNPb7630wUyZLlzg==/lib/x86_64, /data/app/~~kEWs3ci_XriDbtekn0hvfw==/com.ntt.biz_sol_plugin_example-f5mPFyjNPb7630wUyZLlzg==/base.apk!/lib/x86_64, /system/lib64, /system_ext/lib64]]
E/AndroidRuntime(14564):     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:218)
E/AndroidRuntime(14564):     at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
E/AndroidRuntime(14564):     at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
E/AndroidRuntime(14564):     ... 15 more
I/Process (14564): Sending signal. PID: 14564 SIG: 9