diff --git a/Admin/Activate.php b/Admin/Activate.php
index 65e0506..743435f 100644
--- a/Admin/Activate.php
+++ b/Admin/Activate.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -16,7 +16,7 @@
 namespace Modules\BusinessExpenses\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\ActivateAbstract;
 use phpOMS\Module\InfoManager;
 
@@ -37,7 +37,7 @@ class Activate extends ActivateAbstract
     /**
      * {@inheritdoc}
      */
-    public static function activate(Pool $dbPool, InfoManager $info)
+    public static function activate(DatabasePool $dbPool, InfoManager $info)
     {
         parent::activate($dbPool, $info);
     }
diff --git a/Admin/Deactivate.php b/Admin/Deactivate.php
index 808fba4..4a712c7 100644
--- a/Admin/Deactivate.php
+++ b/Admin/Deactivate.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -16,7 +16,7 @@
 namespace Modules\BusinessExpenses\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\DeactivateAbstract;
 use phpOMS\Module\InfoManager;
 
@@ -37,7 +37,7 @@ class Deactivate extends DeactivateAbstract
     /**
      * {@inheritdoc}
      */
-    public static function deactivate(Pool $dbPool, InfoManager $info)
+    public static function deactivate(DatabasePool $dbPool, InfoManager $info)
     {
         parent::deactivate($dbPool, $info);
     }
diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index 8736a74..9b3b50c 100644
--- a/Admin/Install/Navigation.php
+++ b/Admin/Install/Navigation.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -14,7 +14,7 @@
  * @link       http://orange-management.com
  */
 namespace Modules\BusinessExpenses\Admin\Install;
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 
 /**
  * Navigation class.
@@ -29,7 +29,7 @@ use phpOMS\DataStorage\Database\Pool;
  */
 class Navigation
 {
-    public static function install(Pool $dbPool)
+    public static function install(string $path, DatabasePool $dbPool)
     {
         $navData = json_decode(file_get_contents(__DIR__ . '/Navigation.install.json'), true);
 
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 12ef125..305a7a0 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -16,7 +16,7 @@
 namespace Modules\BusinessExpenses\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\InstallerAbstract;
 
 /**
@@ -36,8 +36,8 @@ class Installer extends InstallerAbstract
     /**
      * {@inheritdoc}
      */
-    public static function install(Pool $dbPool, InfoManager $info)
+    public static function install(string $path, DatabasePool $dbPool, InfoManager $info)
     {
-        parent::install($dbPool, $info);
+        parent::install($path, $dbPool, $info);
     }
 }
diff --git a/Admin/Uninstall.php b/Admin/Uninstall.php
index f8bef7d..a6e3f11 100644
--- a/Admin/Uninstall.php
+++ b/Admin/Uninstall.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -16,7 +16,7 @@
 namespace Modules\BusinessExpenses\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\UninstallAbstract;
 
 /**
@@ -36,7 +36,7 @@ class Uninstall extends UninstallAbstract
     /**
      * {@inheritdoc}
      */
-    public static function uninstall(Pool $dbPool, InfoManager $info)
+    public static function uninstall(DatabasePool $dbPool, InfoManager $info)
     {
         parent::uninstall($dbPool, $info);
     }
diff --git a/Admin/Update.php b/Admin/Update.php
index 9ddb208..2dc5cb0 100644
--- a/Admin/Update.php
+++ b/Admin/Update.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD
@@ -16,7 +16,7 @@
 namespace Modules\BusinessExpenses\Admin;
 
 
-use phpOMS\DataStorage\Database\Pool;
+use phpOMS\DataStorage\Database\DatabasePool;
 use phpOMS\Module\UpdateAbstract;
 use phpOMS\System\File\Directory;
 
@@ -37,7 +37,7 @@ class Update extends UpdateAbstract
     /**
      * {@inheritdoc}
      */
-    public static function update(Pool $dbPool, array $info)
+    public static function update(DatabasePool $dbPool, array $info)
     {
         Directory::deletePath(__DIR__ . '/Update');
         mkdir('Update');
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index 6d5bdff..d28b242 100644
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -2,7 +2,7 @@
 /**
  * Orange Management
  *
- * PHP Version 7.0
+ * PHP Version 7.1
  *
  * @category   TBD
  * @package    TBD