Exception in thread "main" java.lang.ExceptionInInitializerError
	at org.deeplearning4j.datasets.datavec.RecordReaderMultiDataSetIterator.convertWritables(RecordReaderMultiDataSetIterator.java:377)
	at org.deeplearning4j.datasets.datavec.RecordReaderMultiDataSetIterator.convertFeaturesOrLabels(RecordReaderMultiDataSetIterator.java:271)
	at org.deeplearning4j.datasets.datavec.RecordReaderMultiDataSetIterator.nextMultiDataSet(RecordReaderMultiDataSetIterator.java:234)
	at org.deeplearning4j.datasets.datavec.RecordReaderMultiDataSetIterator.next(RecordReaderMultiDataSetIterator.java:177)
	at org.deeplearning4j.datasets.datavec.RecordReaderDataSetIterator.next(RecordReaderDataSetIterator.java:306)
	at org.deeplearning4j.datasets.datavec.RecordReaderDataSetIterator.next(RecordReaderDataSetIterator.java:393)
	at se.redsharp.travml.nn.scenario.ScenarioRunner.getData(ScenarioRunner.java:342)
	at se.redsharp.travml.nn.scenario.ScenarioRunner.execute(ScenarioRunner.java:169)
	at se.redsharp.travml.nn.scenario.ScenarioRunner.run(ScenarioRunner.java:146)
	at se.redsharp.travml.nn.scenario.ScenarioRunner.main(ScenarioRunner.java:114)
Caused by: java.lang.RuntimeException: java.lang.NullPointerException
	at org.nd4j.linalg.factory.Nd4j.initWithBackend(Nd4j.java:6212)
	at org.nd4j.linalg.factory.Nd4j.initContext(Nd4j.java:6087)
	at org.nd4j.linalg.factory.Nd4j.<clinit>(Nd4j.java:201)
	... 10 more
Caused by: java.lang.NullPointerException
	at org.nd4j.linalg.factory.Nd4j.initWithBackend(Nd4j.java:6161)
	... 12 more