diff --git a/README.txt b/README.txt
index 3eb14fb..ee31158 100644
--- a/README.txt
+++ b/README.txt
@@ -1,21 +1,28 @@
 This module allows you to embed a View as a field in another View.
 
-The View in the view-field can accept argument values from other fields of the parent View, using tokens.
+The View in the view-field can accept argument values from other fields of the
+parent View, using tokens.
 
 Here's how:
 
-1. Before you can add a view-field to a "parent" view, you must create a "child" view.
-2. Add arguments to that child view. The parent view will be passing argument values to
-   the child so that the child knows what to display. No other settings are necessary,
-   but validators and "argument not present" could be set.
+1. Before you can add a view-field to a "parent" view,
+   you must create a "child" view.
+2. Add arguments to that child view. The parent view will be passing argument
+   values to the child so that the child knows what to display. No other
+   settings are necessary, but validators and "argument not present" could
+   before set.
 3. Create a "parent" view, if not already existing.
-4. Add child view (Global:View field). The field must be toward the bottom of the field list,
-   or at least underneath the fields that are going to be used as arguments.
-   (E.g., "node id" might be used as an match between the parent and child views,
-   so put the "node id" field before your Global:View field in the list.)
-5. Select which View and Display to use for the child data (will require doing this in 2 steps
-   - the field must be saved before the display selection is available).
-6. Find which tokens are available by looking at the "Replacement patterns" list right below the Arguments setting.
-   Type the token replacements, in order, separated by a comma, as the arguments for that view field.
-   These values will be passed to the child. Make sure each field you are passing as an argument is completely clean,
-   as in: no label, no formatting, nothing that would pass into the argument other than the desired text or number.
+4. Add child view (Global:View field). The field must be toward the bottom of
+   the field list, or at least underneath the fields that are going to be used
+   as arguments. (E.g., "node id" might be used as an match between the parent
+   and child views, so put the "node id" field before your
+   Global:View field in the list.)
+5. Select which View and Display to use for the child data (will require doing
+   this in 2 steps - the field must be saved before the display selection is
+   available).
+6. Find which tokens are available by looking at the "Replacement patterns"
+   list right below the Arguments setting. Type the token replacements,
+   in order, separated by a comma, as the arguments for that view field. These
+   values will be passed to the child. Make sure each field you are passing
+   as an argument is completely clean, as in: no label, no formatting, nothing
+   that would pass into the argument other than the desired text or number.
diff --git a/css/views_field_view.css b/css/views_field_view.css
index 87c2da7..2c8335c 100644
--- a/css/views_field_view.css
+++ b/css/views_field_view.css
@@ -1,6 +1,6 @@
 #edit-options-view-edit {
   margin: 15px 0px;
-  background-color: #F3F4EE;
+  background-color: #f3f4ee;
   padding: 5px;
 }
 
diff --git a/src/Plugin/views/field/View.php b/src/Plugin/views/field/View.php
index 2115af0..193b32b 100644
--- a/src/Plugin/views/field/View.php
+++ b/src/Plugin/views/field/View.php
@@ -13,6 +13,8 @@ use Drupal\views\Views;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
+ * View object class.
+ *
  * @ViewsField("view")
  */
 class View extends FieldPluginBase {
@@ -63,7 +65,7 @@ class View extends FieldPluginBase {
   /**
    * {@inheritdoc}
    *
-   * Only allow the field to be there, no other aggregation make sense
+   * Only allow the field to be there, no other aggregation make sense.
    */
   public function buildGroupByForm(&$form, FormStateInterface $form_state) {
     parent::buildGroupByForm($form, $form_state);
@@ -151,8 +153,12 @@ class View extends FieldPluginBase {
       // Provide a way to directly access the views edit link of the child view.
       // Don't show this link if the current view is the selected child view.
       if (!empty($this->options['view']) && !empty($this->options['display']) && ($this->view->storage->id() != $this->options['view'])) {
-        // use t() here, and set HTML on #link options.
-        $link_text = $this->t('Edit "%view (@display)" view', ['%view' => $view_options[$this->options['view']], '@display' => $this->options['display']]);
+        // Use t() here, and set HTML on #link options.
+        $link_text = $this->t('Edit "%view (@display)" view',
+          [
+            '%view' => $view_options[$this->options['view']],
+            '@display' => $this->options['display'],
+          ]);
         $form['view_edit'] = [
           '#type' => 'container',
           '#fieldset' => 'views_field_view',
@@ -177,7 +183,7 @@ class View extends FieldPluginBase {
           '#suffix' => '<span>]</span>',
         ];
         $form['view_edit']['description'] = [
-          '#markup' => $this->t('Use this link to open the current child view\'s edit page in a new window.'),
+          '#markup' => $this->t("Use this link to open the current child view's edit page in a new window."),
           '#prefix' => '<div class="description">',
           '#suffix' => '</div>',
         ];
@@ -236,7 +242,7 @@ class View extends FieldPluginBase {
         $view = Views::getView($this->options['view']);
 
         // Only execute and render the view if the user has access.
-        if ($view->access($this->options['display'])) {
+        if (NULL !== $view && $view->access($this->options['display'])) {
           $view->setDisplay($this->options['display']);
 
           if ($view->display_handler->isPagerEnabled()) {
@@ -290,15 +296,15 @@ class View extends FieldPluginBase {
    * Gets field values from tokens.
    *
    * @param string $token
-   *  The token string. E.g. explode(',', $this->options['args']);
+   *   The token string. E.g. explode(',', $this->options['args']);.
    * @param \Drupal\views\ResultRow $values
-   *  The values retrieved from a single row of a view's query result.
+   *   The values retrieved from a single row of a view's query result.
    * @param \Drupal\views\ViewExecutable $view
-   *  The full view object to get token values from.
+   *   The full view object to get token values from.
    *
    * @return array
-   *  An array of raw argument values, returned in the same order as the token
-   *  were passed in.
+   *   An array of raw argument values, returned in the same order as the token
+   *   were passed in.
    */
   public function getTokenValue($token, ResultRow $values, ViewExecutable $view) {
     $token_info = $this->getTokenArgument($token);
@@ -311,15 +317,19 @@ class View extends FieldPluginBase {
       case 'raw_fields':
         $value = $view->field[$id]->getValue($values);
         break;
+
       case 'fields':
         $value = (string) $view->field[$id]->last_render;
         break;
+
       case 'raw_arguments':
         $value = $view->args[array_flip(array_keys($view->argument))[$id]];
         break;
+
       case 'arguments':
         $value = $view->argument[$id]->getTitle();
         break;
+
       default:
         $value = Html::escape(trim($token, '\'"'));
     }
@@ -329,13 +339,15 @@ class View extends FieldPluginBase {
 
   /**
    * Return the argument type and raw argument from a token.
-   * E.g. {{ raw_arguments.null }} will return "array('type' => 'raw_arguments', 'id' => null)".
+   *
+   * E.g. {{ raw_arguments.null }} will return "array('type' => 'raw_arguments',
+   *  'id' => null)".
    *
    * @param string $token
-   *  A single token string.
+   *   A single token string.
    *
    * @return array
-   *  An array containing type and arg (As described above).
+   *   An array containing type and arg (As described above).
    */
   protected function getTokenArgument($token) {
     // Trim whitespace and remove the brackets around the token.
@@ -349,6 +361,7 @@ class View extends FieldPluginBase {
 
   /**
    * Returns array of tokens/values to be used in child views.
+   *
    * String containing tokens is split on either "," or "/" characters.
    *
    * @param string $token_string
@@ -381,9 +394,6 @@ class View extends FieldPluginBase {
       }
     }
 
-    // This lets us prepare the key as we want it printed.
-    $count = 0;
-
     foreach ($this->view->display_handler->getHandlers('argument') as $id => $handler) {
       $options[(string) $this->t('Arguments')]["{{ arguments.$id }}"] = $this->t('@argument title', ['@argument' => $handler->adminLabel()]);
       $options[(string) $this->t('Arguments')]["{{ raw_arguments.$id }}"] = $this->t('@argument input', ['@argument' => $handler->adminLabel()]);
@@ -413,7 +423,7 @@ class View extends FieldPluginBase {
               cause unexpected behaviour, as this will use the last output of
               the field. This could be re written output also. If no prefix is
               used in the token pattern, "raw_fields" / "raw_arguments" will be used as a default.') .
-          '</em></p>',
+        '</em></p>',
       ];
     }
     else {
diff --git a/tests/modules/views_field_view_test_config/views_field_view_test_config.info.yml b/tests/modules/views_field_view_test_config/views_field_view_test_config.info.yml
index de15854..93aeed7 100644
--- a/tests/modules/views_field_view_test_config/views_field_view_test_config.info.yml
+++ b/tests/modules/views_field_view_test_config/views_field_view_test_config.info.yml
@@ -2,7 +2,6 @@ name: 'Views field view test Config'
 type: module
 description: 'Provides default views for tests.'
 package: Testing
-version: VERSION
 core_version_requirement: ^9 || ^10
 dependencies:
   - drupal:views