ERROR -> WARNING

source/RobotAPI/libraries/armem_objects/client/articulated_object/Reader.cpp

@@ -26,7 +26,7 @@ namespace armarx::armem::articulated_object
 
         if (not description)
         {
-            ARMARX_ERROR << "Unknown object " << name;
+            ARMARX_WARNING << "Unknown object " << name;
             return std::nullopt;
         }