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java.lang.IllegalArgumentException: null	at scala.tools.asm.ByteVector.putUTF8(ByteVector.java:213)	at scala.tools.asm.ClassWriter.newUTF8(ClassWriter.java:1092)	at scala.tools.asm.ClassWriter.newString(ClassWriter.java:1525)	at scala.tools.asm.ClassWriter.newConstItem(ClassWriter.java:1042)	at scala.tools.asm.MethodWriter.visitLdcInsn(MethodWriter.java:1134)	at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder.genConstant(GenASM.scala:1582)	at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder.scala$tools$nsc$backend$jvm$GenASM$JPlainBuilder$$genInstr$1(GenASM.scala:2296)	at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder$$anonfun$genBlock$1$2.apply(GenASM.scala:2227)	at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder$$anonfun$genBlock$1$2.apply(GenASM.scala:2213)	at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)	at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)	at scala.tools.nsc.backend.icode.BasicBlocks$BasicBlock.foreach(BasicBlocks.scala:195)	at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder.genBlock$1(GenASM.scala:2213)	at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder.genBlocks$1(GenASM.scala:2151)	at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder.genCode(GenASM.scala:2746)	at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder.genMethod(GenASM.scala:1471)	at scala.tools.nsc.backend.jvm.GenASM$JPlainBuilder.genClass(GenASM.scala:1341)	at scala.tools.nsc.backend.jvm.GenASM$AsmPhase.emitFor$1(GenASM.scala:198)	at scala.tools.nsc.backend.jvm.GenASM$AsmPhase.run(GenASM.scala:204)	at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1501)	at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1486)	at scala.tools.nsc.Global$Run.compileSources(Global.scala:1481)	at scala.tools.nsc.Global$Run.compile(Global.scala:1582)	at org.fusesource.scalate.support.ScalaCompiler.compile(ScalaCompiler.scala:100)	at org.fusesource.scalate.TemplateEngine.compileAndLoad(TemplateEngine.scala:757)