diff --git a/app/lib/katello/util/cdn_var_substitutor.rb b/app/lib/katello/util/cdn_var_substitutor.rb
index 617c3fb8018..ba46a564762 100644
--- a/app/lib/katello/util/cdn_var_substitutor.rb
+++ b/app/lib/katello/util/cdn_var_substitutor.rb
@@ -68,7 +68,9 @@ def find_substitutions(paths_with_substitutions)
 
           futures.each do |future|
             resolved << future.value
-            Rails.logger.error("Failed at scanning for repository: #{future.reason}") if future.rejected?
+            if future.rejected?
+              fail Errors::CdnSubstitutionError, "Failed at scanning for repository: #{future.reason}"
+            end
           end
         end
 
diff --git a/test/actions/katello/repository_set_test.rb b/test/actions/katello/repository_set_test.rb
index cb7bc6b3400..707caf6f92e 100644
--- a/test/actions/katello/repository_set_test.rb
+++ b/test/actions/katello/repository_set_test.rb
@@ -125,6 +125,23 @@ class ScanCdnTest < TestBase
       assert_equal action.output[:results].first[:enabled], true
     end
 
+    it 'raises CdnSubstitutionError when substitute_vars fails' do
+      planned_action = plan_action action, product, content.id
+
+      error_message = "Failed at scanning for repository: Connection refused - connect(2) for \"cdn.redhat.com\" port 443"
+
+      Katello::Util::CdnVarSubstitutor.any_instance.stubs(:substitute_vars).raises(Katello::Errors::CdnSubstitutionError, error_message)
+
+      assert_raises_with_message Katello::Errors::CdnSubstitutionError, error_message do
+        run_action planned_action do |run_action|
+          substitutor = stub(:cdn_var_substitutor)
+          substitutor.stubs(:substitute_vars).raises(Katello::Errors::CdnSubstitutionError, error_message)
+          run_action.stubs(content: content)
+          run_action.stubs(cdn_var_substitutor: substitutor)
+        end
+      end
+    end
+
     def simulate_run
       planned_action = plan_action action, product, content.id
 
diff --git a/test/lib/util/cdn_var_subsitutor_test.rb b/test/lib/util/cdn_var_subsitutor_test.rb
index 5b5d2126836..e92c8d50afc 100644
--- a/test/lib/util/cdn_var_subsitutor_test.rb
+++ b/test/lib/util/cdn_var_subsitutor_test.rb
@@ -116,6 +116,18 @@ def check_validating_subscriptions(content, substitutions, error_message)
           cdn_var.validate_substitutions(content, substitutions)
         end
       end
+
+      def test_substitute_vars_raises_error
+        cdn_var = CdnVarSubstitutor.new(@resource)
+
+        path = '/content/dist/rhel/server/5/$releasever/$basearch/os'
+
+        cdn_var.stubs(:resolve_path).raises(StandardError.new("Connection refused - connect(2) for \"cdn.redhat.com\" port 443"))
+
+        assert_raises(Errors::CdnSubstitutionError, "Failed at scanning for repository: Connection refused - connect(2) for \"cdn.redhat.com\" port 443") do
+          cdn_var.substitute_vars(path)
+        end
+      end
     end
   end
 end
diff --git a/webpack/redux/actions/RedHatRepositories/repositorySetRepositories.js b/webpack/redux/actions/RedHatRepositories/repositorySetRepositories.js
index de11fda4ddc..3bb8f579202 100644
--- a/webpack/redux/actions/RedHatRepositories/repositorySetRepositories.js
+++ b/webpack/redux/actions/RedHatRepositories/repositorySetRepositories.js
@@ -1,6 +1,6 @@
 import PropTypes from 'prop-types';
 import api from '../../../services/api';
-import { apiError, apiSuccess } from '../../../utils/helpers.js';
+import { apiError, apiSuccess, getResponseErrorMsgs } from '../../../utils/helpers.js';
 import { getArchFromPath } from './helpers.js';
 
 import {
@@ -68,13 +68,8 @@ const loadRepositorySetRepos = (contentId, productId) => async (dispatch) => {
       productId,
       results: data.results,
     });
-  } catch (response) {
-    const error = response && response.data && response.data.error;
-    return dispatch({
-      type: REPOSITORY_SET_REPOSITORIES_FAILURE,
-      contentId,
-      error,
-    });
+  } catch (error) {
+    return dispatch(apiError(REPOSITORY_SET_REPOSITORIES_FAILURE, error, contentId));
   }
 };
 
diff --git a/webpack/redux/reducers/RedHatRepositories/repositorySetRepositories.js b/webpack/redux/reducers/RedHatRepositories/repositorySetRepositories.js
index 7c8068c588b..0630da21172 100644
--- a/webpack/redux/reducers/RedHatRepositories/repositorySetRepositories.js
+++ b/webpack/redux/reducers/RedHatRepositories/repositorySetRepositories.js
@@ -81,7 +81,7 @@ export default (state = initialState, action) => {
     });
 
   case REPOSITORY_SET_REPOSITORIES_FAILURE:
-    return state.set(action.contentId, {
+    return state.set(action.payload.contentId, {
       loading: false,
       repositories: [],
       error: action.error,