diff --git a/src/Plugin/migrate_plus/data_parser/LocalistJson.php b/src/Plugin/migrate_plus/data_parser/LocalistJson.php
index c6c179c..7095f7e 100644
--- a/src/Plugin/migrate_plus/data_parser/LocalistJson.php
+++ b/src/Plugin/migrate_plus/data_parser/LocalistJson.php
@@ -35,7 +35,7 @@ protected function getSourceData(string $url, string|int $item_selector = ''): a
    *   Paged url results.
    */
   protected static function getPagedUrls(string $url): array {
-    $query = parse_url($url, PHP_URL_QUERY);
+    $query = parse_url($url, PHP_URL_QUERY) ?: '';
     $base_url = trim(str_replace($query, '', $url), '?');
     parse_str($query, $query_parts);
 
diff --git a/tests/src/Kernel/Form/StanfordMigrateCsvImportFormTest.php b/tests/src/Kernel/Form/StanfordMigrateCsvImportFormTest.php
index 7478257..46ddafc 100644
--- a/tests/src/Kernel/Form/StanfordMigrateCsvImportFormTest.php
+++ b/tests/src/Kernel/Form/StanfordMigrateCsvImportFormTest.php
@@ -10,6 +10,7 @@
 use Drupal\migrate_plus\Entity\MigrationInterface;
 use Drupal\Tests\stanford_migrate\Kernel\StanfordMigrateKernelTestBase;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Session\SessionInterface;
 
 /**
  * Class StanfordMigrateCsvImportFormTest.
@@ -130,6 +131,8 @@ protected function setMigrationRequest(MigrationInterface $migration) {
       'migration' => $migration,
     ];
     $request = new Request([], [], $attributes);
+    $session = $this->createMock(SessionInterface::class);
+    $request->setSession($session);
     \Drupal::requestStack()->push($request);
   }