This was the related issue at model.nfv project. https://labs.etsi.org/rep/osl/code/org.etsi.osl.model.nfv/-/issues/9 This error is generated. ``` 13:23:38.777 [Camel (camel-1) thread #48 - JmsConsumer[EVENT.RESOURCE.ATTRCHANGED]] INFO o.e.o.t.s.service.ServiceRepoService - Will update services related to this resource with id = aa11d5e4-060e-48d5-b5d1-52233f69f3ef 13:23:49.716 [http-nio-13082-exec-1] INFO o.e.o.t.s.a.ServiceSpecificationApiRouteBuilderNSD - will retrieve NetworkServiceDescriptor from NSD/VNF catalog nsdID=27 13:23:49.879 [http-nio-13082-exec-1] ERROR o.e.o.t.s.r.ServiceSpecificationRepoService - nsdid returned: tutorial_ns 13:23:49.953 [http-nio-13082-exec-1] ERROR o.etsi.osl.tmf.util.PrimitivesParser - Error extracting primitives. java.lang.ClassCastException: java.util.ArrayList incompatible with java.util.Map at org.etsi.osl.tmf.util.PrimitivesParser.processNSD(PrimitivesParser.java:110) at org.etsi.osl.tmf.util.PrimitivesParser.extractPrimitives(PrimitivesParser.java:75) at org.etsi.osl.tmf.scm633.reposervices.ServiceSpecificationRepoService.specFromNSDID(ServiceSpecificationRepoService.java:1217) ```