If the data is part of a type not yet known to Angular, the object is null

The null object causes an exception further down the road

src/app/core/data/base-response-parsing.service.ts

@@ -51,13 +51,13 @@ export abstract class BaseResponseParsingService {
         return this.processArray(data, request);
       } else if (isRestDataObject(data)) {
         const object = this.deserialize(data);
-        if (isNotEmpty(data._embedded) && hasValue(object)) {
+        if (isNotEmpty(data._embedded)) {
           Object
             .keys(data._embedded)
             .filter((property) => data._embedded.hasOwnProperty(property))
             .forEach((property) => {
               const parsedObj = this.process<ObjectDomain>(data._embedded[property], request);
-              if (this.shouldDirectlyAttachEmbeds && isNotEmpty(parsedObj)) {
+              if (hasValue(object) && this.shouldDirectlyAttachEmbeds && isNotEmpty(parsedObj)) {
                   if (isRestPaginatedList(data._embedded[property])) {
                     object[property] = parsedObj;
                     object[property].page = parsedObj.page.map((obj) => this.retrieveObjectOrUrl(obj));