Can't create scala project with SBT intellij idea -15 Follow

Hello,

When i am creating project using Intellii idea -15. i am using Ubuntu -14.04 LTS and Scala with SBT. the i got following error. i don't know why. Kindly any body  suggest or help to find the solution of it. below is error. i am also attaching screen.

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Error:Error while importing SBT project:<br/>...<br/><pre>
https://repo1.maven.org/maven2/org/scala-sbt/sbt/0.13.7/sbt-0.13.7.jar

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:: UNRESOLVED DEPENDENCIES ::

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:: org.scala-sbt#sbt;0.13.7: not found

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:: USE VERBOSE OR DEBUG MESSAGE LEVEL FOR MORE DETAILS
unresolved dependency: org.scala-sbt#sbt;0.13.7: not found
Error during sbt execution: Error retrieving required libraries
(see /home/humayoo/.sbt/boot/update.log for complete log)
Error: Could not retrieve sbt 0.13.7</pre><br/>See complete log in <a href="/home/humayoo/.IdeaIC15/system/log/sbt.last.log">/home/humayoo/.IdeaIC15/system/log/sbt.last.log</a>

Error:Unresolved dependencies:org.scala-lang#scala-library;2.10.4: not found</li><li> org.scala-sbt#sbt;0.13.8: not found</li><li> org.scala-lang#scala-compiler;2.10.4: not found</li></ul>See complete log in <a href="/home/humayoo/.IdeaIC15/system/log/sbt.last.log">/home/humayoo/.IdeaIC15/system/log/sbt.last.log</a>

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short.