feat: handle errors.

src/containers/Preferences/Users/Roles/utils.js

@@ -0,0 +1,13 @@
+import intl from 'react-intl-universal';
+import { Intent } from '@blueprintjs/core';
+import { AppToaster } from 'components';
+
+// handle delete errors.
+export const handleDeleteErrors = (errors) => {
+  if (errors.find((error) => error.type === 'ROLE_PREFINED')) {
+    AppToaster.show({
+      message: intl.get('roles.error.role_is_predefined'),
+      intent: Intent.DANGER,
+    });
+  }
+};