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java.lang.NullPointerException: 	at ioke.lang.IokeIO$2.activate(IokeIO.java:129)	at ioke.lang.TypeCheckingNativeMethod.activate(TypeCheckingNativeMethod.java:50)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Message.sendTo(Message.java:999)	at ioke.lang.Message.evaluateCompleteWithoutExplicitReceiver(Message.java:1145)	at ioke.lang.Message.getEvaluatedArgument(Message.java:979)	at ioke.lang.Message.getEvaluatedArgument(Message.java:983)	at ioke.lang.FlowControlBehavior$9.activate(FlowControlBehavior.java:379)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Locals$1.activate(Locals.java:63)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Message.sendTo(Message.java:999)	at ioke.lang.Message.evaluateCompleteWith(Message.java:1093)	at ioke.lang.LexicalBlock.activate(LexicalBlock.java:198)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.LexicalBlock$2.activate(LexicalBlock.java:86)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Message.sendTo(Message.java:1011)	at ioke.lang.FileSystem$7.activate(FileSystem.java:308)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Message.sendTo(Message.java:999)	at ioke.lang.Message.evaluateCompleteWithoutExplicitReceiver(Message.java:1145)	at ioke.lang.ConditionsBehavior$4.activate(ConditionsBehavior.java:342)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Locals$1.activate(Locals.java:63)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Message.sendTo(Message.java:999)	at ioke.lang.Message.evaluateCompleteWithoutExplicitReceiver(Message.java:1145)	at ioke.lang.Message.getEvaluatedArgument(Message.java:979)	at ioke.lang.Message.getEvaluatedArgument(Message.java:983)	at ioke.lang.FlowControlBehavior$7.activate(FlowControlBehavior.java:298)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Locals$1.activate(Locals.java:63)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Message.sendTo(Message.java:999)	at ioke.lang.Message.evaluateCompleteWithoutExplicitReceiver(Message.java:1145)	at ioke.lang.ConditionsBehavior$4.activate(ConditionsBehavior.java:342)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Locals$1.activate(Locals.java:63)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Message.sendTo(Message.java:999)	at ioke.lang.Message.evaluateCompleteWith(Message.java:1093)	at ioke.lang.DefaultMethod.activate(DefaultMethod.java:283)	at ioke.lang.IokeObject.activate(IokeObject.java:1053)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:1038)	at ioke.lang.IokeObject.getOrActivate(IokeObject.java:514)	at ioke.lang.IokeObject.perform(IokeObject.java:659)	at ioke.lang.IokeObject.perform(IokeObject.java:592)	at ioke.lang.IokeObject.perform(IokeObject.java:522)	at ioke.lang.Message.sendTo(Message.java:999)	at ioke.lang.Message.evaluateComplete(Message.java:1066)	at ioke.lang.Runtime.evaluateString(Runtime.java:525)