Cannot build with sbt

[tribbloid]

running sbt build results in the following error:

[warn]  Note: Unresolved dependencies path:
[warn]          com.github.sbt:sbt-scalabuff:1.3.7 (scalaVersion=2.10, sbtVersion=0.13) (/home/peng/git-drone/dronekit-server/project/plugins.sbt#L21-22)
[warn]            +- default:dronekit-server-build:0.1-SNAPSHOT (scalaVersion=2.10, sbtVersion=0.13)
sbt.ResolveException: unresolved dependency: com.github.sbt#sbt-scalabuff;1.3.7: not found
        at sbt.IvyActions$.sbt$IvyActions$$resolve(IvyActions.scala:313)
        at sbt.IvyActions$$anonfun$updateEither$1.apply(IvyActions.scala:191)
        at sbt.IvyActions$$anonfun$updateEither$1.apply(IvyActions.scala:168)
        at sbt.IvySbt$Module$$anonfun$withModule$1.apply(Ivy.scala:156)
        at sbt.IvySbt$Module$$anonfun$withModule$1.apply(Ivy.scala:156)
        at sbt.IvySbt$$anonfun$withIvy$1.apply(Ivy.scala:133)
        at sbt.IvySbt.sbt$IvySbt$$action$1(Ivy.scala:57)
        at sbt.IvySbt$$anon$4.call(Ivy.scala:65)
        at xsbt.boot.Locks$GlobalLock.withChannel$1(Locks.scala:93)
        at xsbt.boot.Locks$GlobalLock.xsbt$boot$Locks$GlobalLock$$withChannelRetries$1(Locks.scala:78)
        at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:97)
        at xsbt.boot.Using$.withResource(Using.scala:10)
        at xsbt.boot.Using$.apply(Using.scala:9)
        at xsbt.boot.Locks$GlobalLock.ignoringDeadlockAvoided(Locks.scala:58)
        at xsbt.boot.Locks$GlobalLock.withLock(Locks.scala:48)
        at xsbt.boot.Locks$.apply0(Locks.scala:31)
        at xsbt.boot.Locks$.apply(Locks.scala:28)
        at sbt.IvySbt.withDefaultLogger(Ivy.scala:65)
        at sbt.IvySbt.withIvy(Ivy.scala:128)
        at sbt.IvySbt.withIvy(Ivy.scala:125)
        at sbt.IvySbt$Module.withModule(Ivy.scala:156)
        at sbt.IvyActions$.updateEither(IvyActions.scala:168)
        at sbt.Classpaths$$anonfun$sbt$Classpaths$$work$1$1.apply(Defaults.scala:1439)
        at sbt.Classpaths$$anonfun$sbt$Classpaths$$work$1$1.apply(Defaults.scala:1435)
        at sbt.Classpaths$$anonfun$doWork$1$1$$anonfun$90.apply(Defaults.scala:1470)
        at sbt.Classpaths$$anonfun$doWork$1$1$$anonfun$90.apply(Defaults.scala:1468)
        at sbt.Tracked$$anonfun$lastOutput$1.apply(Tracked.scala:37)
        at sbt.Classpaths$$anonfun$doWork$1$1.apply(Defaults.scala:1473)
        at sbt.Classpaths$$anonfun$doWork$1$1.apply(Defaults.scala:1467)
        at sbt.Tracked$$anonfun$inputChanged$1.apply(Tracked.scala:60)
        at sbt.Classpaths$.cachedUpdate(Defaults.scala:1490)
        at sbt.Classpaths$$anonfun$updateTask$1.apply(Defaults.scala:1417)
        at sbt.Classpaths$$anonfun$updateTask$1.apply(Defaults.scala:1369)
        at scala.Function1$$anonfun$compose$1.apply(Function1.scala:47)
        at sbt.$tilde$greater$$anonfun$$u2219$1.apply(TypeFunctions.scala:40)
        at sbt.std.Transform$$anon$4.work(System.scala:63)
        at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:228)
        at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:228)
        at sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:17)
        at sbt.Execute.work(Execute.scala:237)
        at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:228)
        at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:228)
        at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:159)
        at sbt.CompletionService$$anon$2.call(CompletionService.scala:28)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
[error] (*:update) sbt.ResolveException: unresolved dependency: com.github.sbt#sbt-scalabuff;1.3.7: not found
Project loading failed: (r)etry, (q)uit, (l)ast, or (i)gnore? 

Is there a way to fix it?