Catch not registered exception

source/RobotAPI/libraries/armem/client/MemoryNameSystem.cpp

@@ -25,7 +25,16 @@ namespace armarx::armem::client
     void MemoryNameSystem::update()
     {
         ARMARX_CHECK_NOT_NULL(mns);
-        data::GetAllRegisteredMemoriesResult result = mns->getAllRegisteredMemories();
+
+        data::GetAllRegisteredMemoriesResult result;
+        try
+        {
+            result = mns->getAllRegisteredMemories();
+        }
+        catch (const Ice::NotRegisteredException& e)
+        {
+            throw error::MemoryNameSystemQueryFailed(e.what());
+        }
 
         if (result.success)
         {