java.lang.RuntimeException: Unexpected global [registry]
        at org.drools.core.impl.StatefulKnowledgeSessionImpl.setGlobal(StatefulKnowledgeSessionImpl.java:1209)
        at org.kie.pmml.pmml_4_2.PMML4Compiler.generateTheory(PMML4Compiler.java:306)
        at org.kie.pmml.pmml_4_2.PMML4Compiler.compile(PMML4Compiler.java:700)
        at org.kie.pmml.pmml_4_2.PMML4Compiler.buildResourceFromSegment(PMML4Compiler.java:647)
        at org.kie.pmml.pmml_4_2.PMML4Compiler.getChildResources(PMML4Compiler.java:688)
        at org.kie.pmml.pmml_4_2.PMML4Compiler.buildResourcesFromModel(PMML4Compiler.java:675)
        at org.kie.pmml.pmml_4_2.PMML4Compiler.precompile(PMML4Compiler.java:566)
        at org.kie.pmml.assembler.PMMLAssemblerService.getPackageDescrs(PMMLAssemblerService.java:125)
        at org.kie.pmml.assembler.PMMLAssemblerService.addPackage(PMMLAssemblerService.java:105)
        at org.kie.pmml.assembler.PMMLAssemblerService.addResource(PMMLAssemblerService.java:76)
        at org.kie.pmml.assembler.PMMLAssemblerService.addResources(PMMLAssemblerService.java:86)
        at org.kie.internal.services.KieAssemblersImpl.addResources(KieAssemblersImpl.java:60)
        at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.addPackageForExternalType(KnowledgeBuilderImpl.java:813)
        at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.buildOthers(CompositeKnowledgeBuilderImpl.java:161)
        at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:113)
        at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:100)
        at org.drools.compiler.kie.builder.impl.AbstractKieProject.buildKnowledgePackages(AbstractKieProject.java:261)
        at org.drools.compiler.kie.builder.impl.AbstractKieProject.verify(AbstractKieProject.java:75)
        at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildKieProject(KieBuilderImpl.java:270)
        at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:238)
        at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll(KieBuilderImpl.java:187)
        at org.kie.internal.utils.KieHelper.getKieContainer(KieHelper.java:84)
        at org.kie.internal.utils.KieHelper.build(KieHelper.java:66)
        at org.kie.pmml.pmml_4_2.PMML4ExecutionHelper.<init>(PMML4ExecutionHelper.java:135)
        at org.kie.pmml.pmml_4_2.PMML4ExecutionHelper.<init>(PMML4ExecutionHelper.java:47)
        at org.kie.pmml.pmml_4_2.PMML4ExecutionHelper$PMML4ExecutionHelperFactory.getExecutionHelper(PMML4ExecutionHelper.java:114)
        at org.kie.pmml.pmml_4_2.predictive.models.MiningmodelTest.testWithRegression(MiningmodelTest.java:173)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
        at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)