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java.lang.NullPointerException at com.pslcl.dtf.core.Core.check( at com.pslcl.dtf.core.Core.syncDescribedTemplates( at com.pslcl.dtf.core.generator.Generator.sync( at com.pslcl.dtf.core.generator.Generator.close( at com.pslcl.dtf.core.generator.Generator.completeTest( at org.opendof.test.generator.oal.OperationsTestGenerator.main(Unknown Source)