diff --git a/pom.xml b/pom.xml
index c2c7a3d..30b62a2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,6 +40,12 @@
 			<version>4.10</version>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>gov.nih.imagej</groupId>
+			<artifactId>imagej</artifactId>
+			<version>1.47</version>
+			<scope>test</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.gcube.common</groupId>
 			<artifactId>storagehub-model</artifactId>
diff --git a/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultItemManager.java b/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultItemManager.java
index bc97a03..e6d4065 100644
--- a/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultItemManager.java
+++ b/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultItemManager.java
@@ -290,7 +290,7 @@ public class DefaultItemManager implements ItemManagerClient {
 					if (response.hasException()) 
 						throw response.getException();
 					else 
-						throw new BackendGenericError();
+						throw new BackendGenericError("error response from the service with code: "+response.getHTTPCode());
 				}
 				
 				ItemWrapper<Item> item = response.getSource().readEntity(ItemWrapper.class);