diff --git a/src/component.jl b/src/component.jl
index 94d87115b..24e5a4dde 100644
--- a/src/component.jl
+++ b/src/component.jl
@@ -727,7 +727,7 @@ function get_single_time_series_transformed_parameters(
         end
     end
 
-    throw(ArgumentError("component $(get_name(component)) does not have SingleTimeSeries"))
+    return
 end
 
 function _get_single_time_series_transformed_parameters(
diff --git a/src/system_data.jl b/src/system_data.jl
index 6271ad3c1..fea2af924 100644
--- a/src/system_data.jl
+++ b/src/system_data.jl
@@ -517,6 +517,10 @@ function transform_single_time_series!(
                 horizon,
                 interval,
             )
+            if params === nothing
+                # This component doesn't have SingleTimeSeries.
+                continue
+            end
             # This will throw if there is another forecast type with conflicting parameters.
             check_params_compatibility(data.time_series_params, params)
         end