Empty description in a custom module info.yml leads to WSOD

Problem/Motivation

I created a custom module, enabled it, worked fine. Sometime later, logged in as admin, browsed to "Extend" https://localhost/admin/modules, it threw WSOD with this notice.

NOTICE: PHP message: Uncaught PHP Exception InvalidArgumentException: "$string ("") must be a string." at /var/www/html/drupal/web/core/lib/Drupal/Core/StringTranslation/TranslatableMarkup.php line 132

Didn't have any traces or any helpful message to know what is wrong, hence fix the problem.

Steps to reproduce

1. Install a new drupal 8/9 site.
2. Create a custom module with an empty description, e.g:

name: My custom module
type: module
description:
core_version_requirement: ^8 || ^9
package: 'Custom'

3. Enable the module.
4. Login as admin.
5. Browse to 'Extend', admin/modules.

Proposed resolution

Provide better error handling and a system message if needed.