fixed linvesed roles display in user edit form

web/modules/custom/materio_commerce/materio_commerce.module

@@ -48,14 +48,20 @@ function materio_commerce_form_role_delegation_role_assign_form_alter(&$form, &$
   $license_storage = \Drupal::entityTypeManager()->getStorage('commerce_license');
   $licenses = $license_storage->loadByProperties(['uid' => $account->id()]);
   
+  
   if ($licenses) {
+    $description = t("This role is granted by a license. It cannot be removed manually.");
     foreach ($licenses as $lid => $license) {
       $licensed_role_id = $license->license_role->target_id;
       $form["account"]["role_change"][$licensed_role_id]['#disabled'] = TRUE;
       $form["account"]["role_change"][$licensed_role_id]['#default_value'] = TRUE;
 
+
       $product_variation = $license->getPurchasedEntity();
-      $product = $product_variation->getProduct();
+      $product = null;
+      if ($product_variation){
+        $product = $product_variation->getProduct();
+      }
 
       $granted = $license->getGrantedTime();
       $expires = $license->getExpiresTime();
@@ -64,27 +70,29 @@ function materio_commerce_form_role_delegation_role_assign_form_alter(&$form, &$
       $license_link = Link::fromTextAndUrl(t('edit license'), $license_edit_url);
 
       $order = $license->getOriginatingOrder();
-      $order_url = $order->toUrl();
-      $order_state = $order->get('state')->first()->getValue()['value'];
-      $order_number = $order->get('order_number')->first()->getValue()['value'];
-      $order_link = Link::fromTextAndUrl(t("order @num (@state)", array(
-        '@num' => $order_number,
-        '@state' => $order_state
-      )), $order_url);
-
-      $form["account"]["role_change"][$licensed_role_id]['#description'] = t("This role is granted by a license. It cannot be removed manually.<br/> @product: @variation | granted: @granted | expires: @expires | @license_link | @order_link", array(
-        '@product' => $product->getTitle(),
-        '@variation' => $product_variation->getTitle(),
+      if ($order) {
+        $order_url = $order->toUrl();
+        $order_state = $order->get('state')->first()->getValue()['value'];
+        $order_number = $order->get('order_number')->first()->getValue()['value'];
+        $order_link = Link::fromTextAndUrl(t("order @num (@state)", array(
+          '@num' => $order_number,
+          '@state' => $order_state
+        )), $order_url);
+      }
+
+      $description .= t("<br/>-- @product: @variation | granted: @granted | expires: @expires | @license_link | @order_link", array(
+        '@product' => $product ? $product->getTitle() : t('no product'),
+        '@variation' => $product_variation ? $product_variation->getTitle() : t('no variation'),
         '@granted' => date('d-m-Y', $granted),
         '@expires' => $expires === "0" ? 'never' : date('d-m-Y', $expires),
         '@license_link' => $license_link->toString(),
-        '@order_link' => $order_link->toString()
+        '@order_link' => $order ? $order_link->toString() : t('no order')
       ));
 
     }
+    $form["account"]["role_change"][$licensed_role_id]['#description'] = $description;
   }
 
-
 }
 
 function materio_commerce_form_user_form_alter(&$form, &$form_state, $form_id) {
@@ -116,10 +124,7 @@ function materio_commerce_form_user_form_alter(&$form, &$form_state, $form_id) {
   $licenses = $license_storage->loadByProperties(['uid' => $entity->id()]);
   
   if ($licenses) {
-    // $form['license'] = [
-    //   "#type" => 'fieldset',
-    //   "#title" => 'licenses'
-    // ];
+    $description = t("This role is granted by a license. It cannot be removed manually.");
     foreach ($licenses as $lid => $license) {
       $licensed_role_id = $license->license_role->target_id;
       $form["role_change"]["widget"][$licensed_role_id]['#disabled'] = TRUE;
@@ -127,7 +132,10 @@ function materio_commerce_form_user_form_alter(&$form, &$form_state, $form_id) {
 
 
       $product_variation = $license->getPurchasedEntity();
-      $product = $product_variation->getProduct();
+      $product = null;
+      if ($product_variation){
+        $product = $product_variation->getProduct();
+      }
 
       $granted = $license->getGrantedTime();
       $expires = $license->getExpiresTime();
@@ -136,24 +144,27 @@ function materio_commerce_form_user_form_alter(&$form, &$form_state, $form_id) {
       $license_link = Link::fromTextAndUrl(t('edit license'), $license_edit_url);
 
       $order = $license->getOriginatingOrder();
-      $order_url = $order->toUrl();
-      $order_state = $order->get('state')->first()->getValue()['value'];
-      $order_number = $order->get('order_number')->first()->getValue()['value'];
-      $order_link = Link::fromTextAndUrl(t("order @num (@state)", array(
-        '@num' => $order_number,
-        '@state' => $order_state
-      )), $order_url);
-
-      $form["role_change"]["widget"][$licensed_role_id]['#description'] = t("This role is granted by a license. It cannot be removed manually.<br/> @product: @variation | granted: @granted | expires: @expires | @license_link | @order_link", array(
-        '@product' => $product->getTitle(),
-        '@variation' => $product_variation->getTitle(),
+      if ($order) {
+        $order_url = $order->toUrl();
+        $order_state = $order->get('state')->first()->getValue()['value'];
+        $order_number = $order->get('order_number')->first()->getValue()['value'];
+        $order_link = Link::fromTextAndUrl(t("order @num (@state)", array(
+          '@num' => $order_number,
+          '@state' => $order_state
+        )), $order_url);
+      }
+
+      $description .= t("<br/>-- @product: @variation | granted: @granted | expires: @expires | @license_link | @order_link", array(
+        '@product' => $product ? $product->getTitle() : t('no product'),
+        '@variation' => $product_variation ? $product_variation->getTitle() : t('no variation'),
         '@granted' => date('d-m-Y', $granted),
         '@expires' => $expires === "0" ? 'never' : date('d-m-Y', $expires),
         '@license_link' => $license_link->toString(),
-        '@order_link' => $order_link->toString()
+        '@order_link' => $order ? $order_link->toString() : t('no order')
       ));
 
     }
+    $form["role_change"]["widget"][$licensed_role_id]['#description'] = $description;
   }