diff --git a/classes/submission/Submission.php b/classes/submission/Submission.php
index 3d706462fe..ecc84d4060 100644
--- a/classes/submission/Submission.php
+++ b/classes/submission/Submission.php
@@ -24,11 +24,10 @@
 
 namespace APP\submission;
 
-use APP\facades\Repo;
 use APP\publication\Publication;
 use APP\statistics\StatisticsHelper;
-use PKP\facades\Locale;
 use PKP\submission\PKPSubmission;
+use PKP\userGroup\UserGroup;
 
 class Submission extends PKPSubmission
 {
@@ -67,7 +66,9 @@ public function _getContextLicenseFieldValue($locale, $field, $publication = nul
                         if (!$publication) {
                             $publication = $this->getCurrentPublication();
                         }
-                        $authorUserGroups = Repo::userGroup()->getCollector()->filterByRoleIds([\PKP\security\Role::ROLE_ID_AUTHOR])->filterByContextIds([$context->getId()])->getMany();
+                        $authorUserGroups = UserGroup::withRoleIds([\PKP\security\Role::ROLE_ID_AUTHOR])
+                            ->withContextIds([$context->getId()])
+                            ->get();
                         $fieldValue = [$context->getPrimaryLocale() => $publication->getAuthorString($authorUserGroups)];
                         break;
                     case 'context':
diff --git a/pages/search/SearchHandler.php b/pages/search/SearchHandler.php
index 47fecbb93d..c01bdca27b 100644
--- a/pages/search/SearchHandler.php
+++ b/pages/search/SearchHandler.php
@@ -22,6 +22,7 @@
 use APP\search\PreprintSearch;
 use APP\security\authorization\OpsServerMustPublishPolicy;
 use APP\template\TemplateManager;
+use PKP\userGroup\UserGroup;
 
 class SearchHandler extends Handler
 {
@@ -167,10 +168,9 @@ public function search($args, $request)
             'simDocsEnabled' => true,
             'results' => $results,
             'error' => $error,
-            'authorUserGroups' => Repo::userGroup()->getCollector()
-                ->filterByRoleIds([\PKP\security\Role::ROLE_ID_AUTHOR])
-                ->filterByContextIds($searchFilters['searchServer'] ? [$searchFilters['searchServer']->getId()] : null)
-                ->getMany()->remember(),
+            'authorUserGroups' => UserGroup::withRoleIds([\PKP\security\Role::ROLE_ID_AUTHOR])
+                ->withContextIds($searchFilters['searchServer'] ? [$searchFilters['searchServer']->getId()] : null)
+                ->get(),
         ]);
         $templateMgr->display('frontend/pages/search.tpl');
     }
diff --git a/templates/controllers/grid/settings/sections/form/sectionForm.tpl b/templates/controllers/grid/settings/sections/form/sectionForm.tpl
index 5514ea1b18..f50898f922 100644
--- a/templates/controllers/grid/settings/sections/form/sectionForm.tpl
+++ b/templates/controllers/grid/settings/sections/form/sectionForm.tpl
@@ -66,8 +66,8 @@
 	{fbvFormSection list=true title="manager.sections.form.assignEditors"}
 	<div>{translate key="manager.sections.form.assignEditors.description"}</div>
 	{foreach from=$assignableUserGroups item="assignableUserGroup"}
-		{assign var="role" value=$assignableUserGroup.userGroup->getLocalizedName()}
-		{assign var="userGroupId" value=$assignableUserGroup.userGroup->getId()}
+		{assign var="role" value=$assignableUserGroup.userGroup->getLocalizedData('name')}
+		{assign var="userGroupId" value=$assignableUserGroup.userGroup->id}
 		{foreach from=$assignableUserGroup.users item=$username key="id"}
 			{fbvElement
 				type="checkbox"