Unable to Generate Donut Report getting below issue

[Nithesh36]

java -jar donut-1.2.2-one-jar.jar -s cucumber:C:\Users\VDI023\Desktop\ECS\seleniumDemo\target\cucumber-reports\Cucumber.json -n seleniumDemo
JarClassLoader: Warning: org/slf4j/impl/StaticLoggerBinder.class in lib/logback-classic-1.1.2.jar is hidden by lib/slf4j-simple-1.6.4.jar (with different bytecode)
JarClassLoader: Warning: org/slf4j/impl/StaticMarkerBinder.class in lib/logback-classic-1.1.2.jar is hidden by lib/slf4j-simple-1.6.4.jar (with different bytecode)
JarClassLoader: Warning: org/slf4j/impl/StaticMDCBinder.class in lib/logback-classic-1.1.2.jar is hidden by lib/slf4j-simple-1.6.4.jar (with different bytecode)
Exception in thread "main" java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.simontuffs.onejar.Boot.run(Boot.java:340)
at com.simontuffs.onejar.Boot.main(Boot.java:166)
Caused by: java.lang.NullPointerException
at scala.collection.mutable.ArrayOps$ofRef$.length$extension(ArrayOps.scala:192)
at scala.collection.mutable.ArrayOps$ofRef.length(ArrayOps.scala:192)
at scala.collection.SeqLike$class.size(SeqLike.scala:106)
at scala.collection.mutable.ArrayOps$ofRef.size(ArrayOps.scala:186)
at report.donut.gherkin.processors.JSONProcessor$.getValidFiles(JSONProcessor.scala:49)
at report.donut.gherkin.processors.JSONProcessor$.loadFrom(JSONProcessor.scala:22)
at report.donut.ResultLoader$CucumberResultLoader.load(ResultLoader.scala:24)
at report.donut.Generator$$anonfun$loadResultSources$1.apply(Generator.scala:83)
at report.donut.Generator$$anonfun$loadResultSources$1.apply(Generator.scala:82)
at scala.collection.immutable.List.foreach(List.scala:381)
at report.donut.Generator$.loadResultSources(Generator.scala:82)
at report.donut.Generator$$anonfun$createReport$2$$anonfun$apply$1.apply(Generator.scala:61)
at report.donut.Generator$$anonfun$createReport$2$$anonfun$apply$1.apply(Generator.scala:61)
at report.donut.performance.PerformanceSupport$class.timed(PerformanceSupport.scala:13)
at report.donut.Generator$.timed(Generator.scala:15)
at report.donut.Generator$$anonfun$createReport$2.apply(Generator.scala:60)
at report.donut.Generator$$anonfun$createReport$2.apply(Generator.scala:59)
at scala.util.Either$RightProjection.flatMap(Either.scala:522)
at report.donut.Generator$.createReport(Generator.scala:59)
at report.donut.Generator$.apply(Generator.scala:33)
at report.donut.Boot$.delayedEndpoint$report$donut$Boot$1(Boot.scala:85)
at report.donut.Boot$delayedInit$body.apply(Boot.scala:8)
at scala.Function0$class.apply$mcV$sp(Function0.scala:34)
at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)
at scala.App$$anonfun$main$1.apply(App.scala:76)
at scala.App$$anonfun$main$1.apply(App.scala:76)
at scala.collection.immutable.List.foreach(List.scala:381)
at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:35)
at scala.App$class.main(App.scala:76)
at report.donut.Boot$.main(Boot.scala:8)
at report.donut.Boot.main(Boot.scala)
... 6 more

C:\Users\VDI023\Downloads>