Subj.  Got this kind of error: Cannot download the package file.

Any ideas why?

Full text of error:

Start to install ‘WEARABLE-2.3.2-NativeAppDevelopment’.
The target packages to install:
  [wearable-2.3.2-rs-emulator.core, wearable-2.3.2-core-add-ons, 2.3.2-efl-renderer, wearable-2.3.2-rs-device.core, 2.3.2-efl-tools, WEARABLE-2.3.2-NativeAppDevelopment]
Start to download the target packages.
Waiting for finishing the downloads of the packages…
Cannot install the Tizen Studio package.
org.tizen.manager.exception.UMException: Cannot install the Tizen Studio package.
      at org.tizen.manager.core.InstallController.wrapExceptionWithGeneralInstallException(InstallController.java:548)
      at org.tizen.manager.core.InstallController.install(InstallController.java:623)
      at org.tizen.manager.core.InstallController.install(InstallController.java:508)
      at org.tizen.manager.core.Install.InstallProcess.run(InstallProcess.java:37)
      at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
      at java.util.concurrent.FutureTask.run(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      at java.lang.Thread.run(Unknown Source)
  Caused by: org.tizen.manager.exception.UMException: Cannot download the package file.
      at org.tizen.manager.core.download.ManagerableDownloaderCallable.downloadPackageFile(ManagerableDownloaderCallable.java:294)
      at org.tizen.manager.core.download.ManagerableDownloaderCallable.downloadPackage(ManagerableDownloaderCallable.java:177)
      at org.tizen.manager.core.download.ManagerableDownloaderCallable.call(ManagerableDownloaderCallable.java:71)
      at org.tizen.manager.core.download.ManagerableDownloaderCallable.call(ManagerableDownloaderCallable.java:35)
      … 4 more
Recalculating the install state by failure…
Refreshing the install state of other packages…
Failed to install… WEARABLE-2.3.2-NativeAppDevelopment