🇹🇳Tunisia Slim Ch
🐛 | Skeleton | User error: "0" is an invalid render array key in Drupal\Core\Render\Element::children() (line 98 of core/lib/Drupal/Core/Render/Element.php) with Drupal 9.3.9
🇹🇳Tunisia Slim Ch
@aiphes you need to apply the patch on Drupal core.
I had the same error and patch #6 fixed it, thanks @Nuaa.
Drupal version : 10.1.4