File not executing

[abbhinavsri30]

Using the package manager, when running the file, i get below erroe:

java.lang.Exception: Unable to find Description file in package archive!
at org.pentaho.packageManagement.DefaultPackageManager.getPackageArchiveInfo(DefaultPackageManager.java:297)
at weka.core.WekaPackageManager.installPackageFromArchive(WekaPackageManager.java:1846)
at weka.gui.PackageManager$UnofficialInstallTask.doInBackground(PackageManager.java:783)
at weka.gui.PackageManager$UnofficialInstallTask.doInBackground(PackageManager.java:728)
at javax.swing.SwingWorker$1.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at javax.swing.SwingWorker.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)