diff --git a/legend-engine-xts-serviceStore/legend-engine-xt-serviceStore-grammar/src/main/java/org/finos/legend/engine/language/pure/compiler/toPureGraph/HelperServiceStoreClassMappingBuilder.java b/legend-engine-xts-serviceStore/legend-engine-xt-serviceStore-grammar/src/main/java/org/finos/legend/engine/language/pure/compiler/toPureGraph/HelperServiceStoreClassMappingBuilder.java
index ef939528a4b..2e49947c473 100644
--- a/legend-engine-xts-serviceStore/legend-engine-xt-serviceStore-grammar/src/main/java/org/finos/legend/engine/language/pure/compiler/toPureGraph/HelperServiceStoreClassMappingBuilder.java
+++ b/legend-engine-xts-serviceStore/legend-engine-xt-serviceStore-grammar/src/main/java/org/finos/legend/engine/language/pure/compiler/toPureGraph/HelperServiceStoreClassMappingBuilder.java
@@ -97,7 +97,7 @@ public static Pair<SetImplementation, RichIterable<EmbeddedSetImplementation>> c
         final org.finos.legend.pure.m3.coreinstance.meta.pure.metamodel.type.Class pureClass = context.resolveClass(serviceStoreClassMapping._class, serviceStoreClassMapping.classSourceInformation);
         String id = HelperMappingBuilder.getClassMappingId(serviceStoreClassMapping, context);
 
-        Root_meta_external_store_service_metamodel_mapping_RootServiceInstanceSetImplementation res = new Root_meta_external_store_service_metamodel_mapping_RootServiceInstanceSetImplementation_Impl(id);
+        Root_meta_external_store_service_metamodel_mapping_RootServiceInstanceSetImplementation res = new Root_meta_external_store_service_metamodel_mapping_RootServiceInstanceSetImplementation_Impl(id, null, context.pureModel.getClass("meta::external::store::service::metamodel::mapping::RootServiceInstanceSetImplementation"));
         org.finos.legend.pure.m3.coreinstance.meta.pure.mapping.MappingClass mappingClass = generateMappingClass(pureClass, id, serviceStoreClassMapping, parent, context);
 
         res._id(id);