improve error handling

packages/app/src/components/PasswordResetRequestForm.jsx

@@ -27,7 +27,7 @@ const PasswordResetRequestForm = (props) => {
       toastSuccess(t('forgot_password.success_to_send_email'));
     }
     catch (err) {
-      toastError('err', err);
+      toastError(err);
     }
   };
 

packages/app/src/server/routes/apiv3/forgot-password.js

@@ -75,9 +75,9 @@ module.exports = (crowi) => {
       return res.apiv3();
     }
     catch (err) {
-      const msg = 'Error occurred during password reset request procedure';
+      const msg = 'Error occurred during password reset request procedure.';
       logger.error(err);
-      return res.apiv3Err(msg);
+      return res.apiv3Err(`${msg} Cause: ${err}`);
     }
   });