List of steps to reproduce (step by step, including full links if applicable):
- Open (with appropriate rights) a banner in the central notice interface
- You'll notice that all languages and project fields are empty
- happens with both enabled and not enabled banners
What happens?:
Cannot change or set central notice banners
What should have happened instead?:
- all languages and projects should load
Software version (if not a Wikimedia wiki), browser information, screenshots, other information, etc: