Problem launching Android app

scala: Error: android.support.v7.appcompat.R and android.support.v7.appcompat.R$array disagree on InnerClasses attribute

java.lang.IncompatibleClassChangeError: android.support.v7.appcompat.R and android.support.v7.appcompat.R$array disagree on InnerClasses attribute

     at java.lang.Class.getDeclaringClass(Native Method)

     at java.lang.Class.getEnclosingClass(Class.java:1127)

     at sbt.ClassToAPI$.isTopLevel(ClassToAPI.scala:36)

     at sbt.ClassToAPI$$anonfun$3.apply(ClassToAPI.scala:16)

     at sbt.ClassToAPI$$anonfun$3.apply(ClassToAPI.scala:16)

     at scala.collection.TraversableLike$$anonfun$filter$1.apply(TraversableLike.scala:264)

     at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)

     at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)

     at scala.collection.TraversableLike$class.filter(TraversableLike.scala:263)

     at scala.collection.AbstractTraversable.filter(Traversable.scala:105)

     at sbt.ClassToAPI$.apply(ClassToAPI.scala:16)

     at sbt.compiler.AggressiveCompile$$anonfun$8.sbt$compiler$AggressiveCompile$$anonfun$$readAPI$1(AggressiveCompile.scala:109)

     at sbt.compiler.AggressiveCompile$$anonfun$8$$anonfun$compileJava$1$2$$anonfun$apply$mcV$sp$1$$anonfun$apply$8.apply(AggressiveCompile.scala:114)

     at sbt.compiler.AggressiveCompile$$anonfun$8$$anonfun$compileJava$1$2$$anonfun$apply$mcV$sp$1$$anonfun$apply$8.apply(AggressiveCompile.scala:114)

     at sbt.classfile.Analyze$$anonfun$apply$8.apply(Analyze.scala:67)

     at sbt.classfile.Analyze$$anonfun$apply$8.apply(Analyze.scala:43)

     at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:98)

     at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:98)

     at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:226)

     at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:39)

     at scala.collection.mutable.HashMap.foreach(HashMap.scala:98)

     at sbt.classfile.Analyze$.apply(Analyze.scala:43)

     at sbt.compiler.AggressiveCompile$$anonfun$8$$anonfun$compileJava$1$2$$anonfun$apply$mcV$sp$1.apply(AggressiveCompile.scala:114)

     at sbt.compiler.AggressiveCompile$$anonfun$8$$anonfun$compileJava$1$2$$anonfun$apply$mcV$sp$1.apply(AggressiveCompile.scala:112)

     at scala.collection.immutable.List.foreach(List.scala:309)

     at sbt.compiler.AggressiveCompile$$anonfun$8$$anonfun$compileJava$1$2.apply$mcV$sp(AggressiveCompile.scala:112)

     at sbt.compiler.AggressiveCompile$$anonfun$8$$anonfun$compileJava$1$2.apply(AggressiveCompile.scala:112)

     at sbt.compiler.AggressiveCompile$$anonfun$8$$anonfun$compileJava$1$2.apply(AggressiveCompile.scala:112)

     at sbt.compiler.AggressiveCompile.sbt$compiler$AggressiveCompile$$timed(AggressiveCompile.scala:137)

     at sbt.compiler.AggressiveCompile$$anonfun$8.compileJava$1(AggressiveCompile.scala:111)

     at sbt.compiler.AggressiveCompile$$anonfun$8.apply(AggressiveCompile.scala:118)

     at sbt.compiler.AggressiveCompile$$anonfun$8.apply(AggressiveCompile.scala:61)

     at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:24)

     at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:22)

     at sbt.inc.Incremental$.cycle(Incremental.scala:46)

     at sbt.inc.Incremental$.compile(Incremental.scala:29)

     at sbt.inc.IncrementalCompile$.apply(Compile.scala:20)

     at sbt.compiler.AggressiveCompile.compile2(AggressiveCompile.scala:128)

     at sbt.compiler.AggressiveCompile.compile1(AggressiveCompile.scala:44)

     at org.jetbrains.jps.incremental.scala.local.CompilerImpl.compile(CompilerImpl.scala:63)

     at org.jetbrains.jps.incremental.scala.local.LocalServer.compile(LocalServer.scala:26)

     at org.jetbrains.jps.incremental.scala.remote.Main$.nailMain(Main.scala:31)

     at org.jetbrains.jps.incremental.scala.remote.Main.nailMain(Main.scala)

     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

     at java.lang.reflect.Method.invoke(Method.java:606)

     at com.martiansoftware.nailgun.NGSession.run(Unknown Source)