fix error handling on unknown type in conversion

armarx_skills/manager/fluxio_type_aron_converter.py

@@ -104,8 +104,7 @@ class FluxioTypeAronConverter:
                 ret.add_attribute(name=k)
         else:
             message = f"Unknown type: {aron_type}"
-            warnings.warn(message=message + aron_type, category=RuntimeWarning)
-            return ret
+            warnings.warn(message=message, category=RuntimeWarning)
         ret.optional = maybe
         return ret