diff --git a/Controller/MediaPackageController.php b/Controller/MediaPackageController.php
index 469b887..8821989 100644
--- a/Controller/MediaPackageController.php
+++ b/Controller/MediaPackageController.php
@@ -70,7 +70,7 @@ public function indexAction(Request $request): Response
 
         try {
             [$total, $mediaPackages] = $this->opencastClientService->getMediaPackages(
-                isset($criteria['name']) ? $criteria['name']->regex : '',
+                isset($criteria['name']) ? $criteria['name']->getPattern() : '',
                 $limit,
                 ($page - 1) * $limit
             );
@@ -95,7 +95,7 @@ public function indexAction(Request $request): Response
             $pics[$mediaPackage['id']] = $this->opencastService->getMediaPackageThumbnail($mediaPackage);
         }
 
-        $pager = $this->paginationService->createFixedAdapter($total, $mediaPackages, $page, $limit);
+        $pager = $this->paginationService->createFixedAdapter($total, $mediaPackages, (int) $page, $limit);
 
         $repo = $repository_multimediaObjects->createQueryBuilder()
             ->field('properties.opencast')->exists(true)
@@ -121,7 +121,7 @@ public function importAction(Request $request, string $id): RedirectResponse
             throw new AccessDeniedException('Not allowed. Configure your OpencastBundle to show the Importer Tab.');
         }
 
-        $this->opencastImportService->importRecording($id, $request->get('invert'), $this->getUser());
+        $this->opencastImportService->importRecording($id, filter_var($request->get('invert'), FILTER_VALIDATE_BOOLEAN), $this->getUser());
 
         if ($request->headers->get('referer')) {
             return $this->redirect($request->headers->get('referer'));
diff --git a/Resources/doc/Configuration.md b/Resources/doc/Configuration.md
index 03f6626..a492795 100644
--- a/Resources/doc/Configuration.md
+++ b/Resources/doc/Configuration.md
@@ -43,7 +43,7 @@ Mandatory:
    - `host` is the Opencast server URL (Engage node in cluster).
    - `username` is the name of the account used to operate the Opencast REST endpoints (org.opencastproject.security.digest.user). If empty, the connection is as an anonymous user.
    - `password` is the password for the account used to operate the Opencast REST endpoints (org.opencastproject.security.digest.pass).
-   - `player` is the Opencast player URL or path (default `/engage/ui/watch.html`). Use `/engage/theodul/ui/core.html` for Opencast 2.x and `/paella/ui/watch.html` if [paella player](http://paellaplayer.upv.es/) is being used.
+   - `player` is the Opencast player URL or path (default `/engage/ui/watch.html`). Use `/engage/theodul/ui/core.html` for Opencast 2.x and `/paella7/ui/watch.html` if [paella player](http://paellaplayer.upv.es/) is being used.
 
 Optional:
    - `default_tag_imported` set code of tag that you want to set when imports an mmo to PuMuKIT from Opencast.