Error:Error while importing SBT project:<br/>...<br/><pre>		::::::::::::::::::::::::::::::::::::::::::::::

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

		::::::::::::::::::::::::::::::::::::::::::::::


:::: ERRORS
	Server access Error: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target url=https://jcenter.bintray.com/org/scala-sbt/sbt/0.13.7/sbt-0.13.7.pom

	Server access Error: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target url=https://jcenter.bintray.com/org/scala-sbt/sbt/0.13.7/sbt-0.13.7.jar

	Server access Error: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target url=https://repo.typesafe.com/typesafe/ivy-releases/org.scala-sbt/sbt/0.13.7/ivys/ivy.xml


:: 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/silverbaq/.sbt/boot/update.log for complete log)
Error: Could not retrieve sbt 0.13.7</pre><br/>See complete log in <a href="/home/silverbaq/.IntelliJIdea15/system/log/sbt.last.log">/home/silverbaq/.IntelliJIdea15/system/log/sbt.last.log</a>