Odai Atieh
--- a/core/modules/user/src/Entity/Role.php
+++ b/core/modules/user/src/Entity/Role.php
    $valid_permissions = array_intersect($this->permissions, array_keys($permission_definitions));
    $invalid_permissions = array_diff($this->permissions, $valid_permissions);
    if (!empty($invalid_permissions)) {
-      throw new \RuntimeException('Adding non-existent permissions to a role is not allowed. The incorrect permissions are "' . implode('", "', $invalid_permissions) . '".');
+      \Drupal::logger('role')->error('Adding non-existent permissions to a role is not allowed. The incorrect permissions are "' . implode('", "', $invalid_permissions) . '".');
+      foreach ($invalid_permissions as $invalid_permission) {
+        $this->revokePermission($invalid_permission);
+      }
-      foreach ($invalid_permissions as $invalid_permission) {
-        $this->revokePermission($invalid_permission);
-      }
+      $this->permissions = $valid_permissions;
--- a/core/modules/user/src/Entity/Role.php
+++ b/core/modules/user/src/Entity/Role.php
    $valid_permissions = array_intersect($this->permissions, array_keys($permission_definitions));
    $invalid_permissions = array_diff($this->permissions, $valid_permissions);
    if (!empty($invalid_permissions)) {
-      throw new \RuntimeException('Adding non-existent permissions to a role is not allowed. The incorrect permissions are "' . implode('", "', $invalid_permissions) . '".');
+      \Drupal::logger('role')->error('Adding non-existent permissions to a role is not allowed. The incorrect permissions are "' . implode('", "', $invalid_permissions) . '".');
--- a/core/modules/user/src/Entity/Role.php
+++ b/core/modules/user/src/Entity/Role.php
    $valid_permissions = array_intersect($this->permissions, array_keys($permission_definitions));
    $invalid_permissions = array_diff($this->permissions, $valid_permissions);
    if (!empty($invalid_permissions)) {
-      throw new \RuntimeException('Adding non-existent permissions to a role is not allowed. The incorrect permissions are "' . implode('", "', $invalid_permissions) . '".');
+      \Drupal::logger('user')->error('Adding non-existent permission(s) to a role is not allowed. Invalid permission(s): @permissions. Role: @label (@id).', [
+        '@permissions' => implode(', ', $invalid_permissions),
+        '@label' => $this->label(),
+        '@id' => $this->id(),
+      ]);
    }
    foreach ($valid_permissions as $permission) {
-      // Depend on the module that is providing this permissions.
--- a/core/modules/user/tests/src/Kernel/UserRoleEntityTest.php
+++ b/core/modules/user/tests/src/Kernel/UserRoleEntityTest.php
   */
  protected static $modules = ['system', 'user', 'user_permissions_test'];

+  /**
+   * {@inheritdoc}
+   */
+  public function register(ContainerBuilder $container): void {
+    parent::register($container);