diff --git a/Admin/Routes/Web/Backend.php b/Admin/Routes/Web/Backend.php
index b939339..13fa048 100644
--- a/Admin/Routes/Web/Backend.php
+++ b/Admin/Routes/Web/Backend.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 use Modules\RiskManagement\Controller\BackendController;
 use Modules\RiskManagement\Models\PermissionState;
diff --git a/Controller/Controller.php b/Controller/Controller.php
index 4285f52..c39811e 100644
--- a/Controller/Controller.php
+++ b/Controller/Controller.php
@@ -75,6 +75,6 @@ class Controller extends ModuleAbstract implements WebInterface
      * @since 1.0.0
      */
     protected static $dependencies = [
-        'Media'
+        'Media',
     ];
 }
diff --git a/Models/Project.php b/Models/Project.php
index 365eb5f..69bec95 100644
--- a/Models/Project.php
+++ b/Models/Project.php
@@ -46,7 +46,7 @@ class Project
         return $this->project;
     }
 
-    public function setProject(string $project) : void
+    public function setProject($project) : void
     {
         $this->project = $project;
     }
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index 1cb99f3..f3dbfcc 100644
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index d38c581..fe7ab98 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/category-list.tpl.php b/Theme/Backend/category-list.tpl.php
index 37d97d5..9cea390 100644
--- a/Theme/Backend/category-list.tpl.php
+++ b/Theme/Backend/category-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/category-single.tpl.php b/Theme/Backend/category-single.tpl.php
index 5ef8be1..84b36ad 100644
--- a/Theme/Backend/category-single.tpl.php
+++ b/Theme/Backend/category-single.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/cause-create.tpl.php b/Theme/Backend/cause-create.tpl.php
index 559f971..0bb3664 100644
--- a/Theme/Backend/cause-create.tpl.php
+++ b/Theme/Backend/cause-create.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/cause-list.tpl.php b/Theme/Backend/cause-list.tpl.php
index 700e95e..24a35d0 100644
--- a/Theme/Backend/cause-list.tpl.php
+++ b/Theme/Backend/cause-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/cause-single.tpl.php b/Theme/Backend/cause-single.tpl.php
index 7835cfe..6dee1bd 100644
--- a/Theme/Backend/cause-single.tpl.php
+++ b/Theme/Backend/cause-single.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/cockpit.tpl.php b/Theme/Backend/cockpit.tpl.php
index b618efc..d8f48c1 100644
--- a/Theme/Backend/cockpit.tpl.php
+++ b/Theme/Backend/cockpit.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/department-list.tpl.php b/Theme/Backend/department-list.tpl.php
index 2468c0a..6ac6d88 100644
--- a/Theme/Backend/department-list.tpl.php
+++ b/Theme/Backend/department-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/department-single.tpl.php b/Theme/Backend/department-single.tpl.php
index 3d7a6c4..ab7648a 100644
--- a/Theme/Backend/department-single.tpl.php
+++ b/Theme/Backend/department-single.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/process-list.tpl.php b/Theme/Backend/process-list.tpl.php
index bd1e41d..5de620d 100644
--- a/Theme/Backend/process-list.tpl.php
+++ b/Theme/Backend/process-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/process-single.tpl.php b/Theme/Backend/process-single.tpl.php
index 85fb483..452db78 100644
--- a/Theme/Backend/process-single.tpl.php
+++ b/Theme/Backend/process-single.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/project-list.tpl.php b/Theme/Backend/project-list.tpl.php
index 718e9e0..a59ee6a 100644
--- a/Theme/Backend/project-list.tpl.php
+++ b/Theme/Backend/project-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/project-single.tpl.php b/Theme/Backend/project-single.tpl.php
index cbe9640..01b43f1 100644
--- a/Theme/Backend/project-single.tpl.php
+++ b/Theme/Backend/project-single.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/risk-create.tpl.php b/Theme/Backend/risk-create.tpl.php
index 1af038d..829e504 100644
--- a/Theme/Backend/risk-create.tpl.php
+++ b/Theme/Backend/risk-create.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/risk-list.tpl.php b/Theme/Backend/risk-list.tpl.php
index e624002..83b0272 100644
--- a/Theme/Backend/risk-list.tpl.php
+++ b/Theme/Backend/risk-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/risk-single.tpl.php b/Theme/Backend/risk-single.tpl.php
index 27857b5..214fed0 100644
--- a/Theme/Backend/risk-single.tpl.php
+++ b/Theme/Backend/risk-single.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/settings-dashboard.tpl.php b/Theme/Backend/settings-dashboard.tpl.php
index 559f971..0bb3664 100644
--- a/Theme/Backend/settings-dashboard.tpl.php
+++ b/Theme/Backend/settings-dashboard.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/solution-create.tpl.php b/Theme/Backend/solution-create.tpl.php
index 559f971..0bb3664 100644
--- a/Theme/Backend/solution-create.tpl.php
+++ b/Theme/Backend/solution-create.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/solution-list.tpl.php b/Theme/Backend/solution-list.tpl.php
index 81ca162..bf2da99 100644
--- a/Theme/Backend/solution-list.tpl.php
+++ b/Theme/Backend/solution-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/solution-single.tpl.php b/Theme/Backend/solution-single.tpl.php
index 8c72fba..8f38271 100644
--- a/Theme/Backend/solution-single.tpl.php
+++ b/Theme/Backend/solution-single.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/unit-list.tpl.php b/Theme/Backend/unit-list.tpl.php
index a39f62b..5326754 100644
--- a/Theme/Backend/unit-list.tpl.php
+++ b/Theme/Backend/unit-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/unit-single.tpl.php b/Theme/Backend/unit-single.tpl.php
index a135c93..a43bac9 100644
--- a/Theme/Backend/unit-single.tpl.php
+++ b/Theme/Backend/unit-single.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *