Fixes for tax model migrations

VERSION.txt

@@ -1 +1 @@
-5.11.4
+5.11.5

app/DataMapper/Tax/TaxModel.php

@@ -46,7 +46,13 @@ class TaxModel
             $this->acts_as_receiver = $model->acts_as_receiver ?? false;
 
             $modelArray = get_object_vars($model);
+
             foreach ($modelArray as $key => $value) {
+
+                if($key == 'seller_subregion' && $value == null) {
+                    $value = '';
+                }
+
                 $this->{$key} = $value;
             }
 

config/ninja.php

@@ -17,8 +17,8 @@ return [
     'require_https' => env('REQUIRE_HTTPS', true),
     'app_url' => rtrim(env('APP_URL', ''), '/'),
     'app_domain' => env('APP_DOMAIN', 'invoicing.co'),
-    'app_version' => env('APP_VERSION', '5.11.4'),
-    'app_tag' => env('APP_TAG', '5.11.4'),
+    'app_version' => env('APP_VERSION', '5.11.5'),
+    'app_tag' => env('APP_TAG', '5.11.5'),
     'minimum_client_version' => '5.0.16',
     'terms_version' => '1.0.1',
     'api_secret' => env('API_SECRET', false),