Error message

• Notice: Undefined index: group in Drupal\Core\Asset\AssetResolver::sort() (line 375 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: group in Drupal\Core\Asset\AssetResolver::sort() (line 378 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: group in Drupal\Core\Asset\AssetResolver::sort() (line 375 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: group in Drupal\Core\Asset\AssetResolver::sort() (line 378 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: group in Drupal\Core\Asset\AssetResolver::sort() (line 375 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: group in Drupal\Core\Asset\AssetResolver::sort() (line 375 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: group in Drupal\Core\Asset\AssetResolver::sort() (line 375 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: group in Drupal\Core\Asset\AssetResolver::sort() (line 378 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: group in Drupal\Core\Asset\AssetResolver::sort() (line 378 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: scope in Drupal\Core\Asset\AssetResolver->getJsAssets() (line 286 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: scope in Drupal\Core\Asset\AssetResolver->getJsAssets() (line 289 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: scope in Drupal\Core\Asset\AssetResolver->getJsAssets() (line 286 of core/lib/Drupal/Core/Asset/AssetResolver.php).
• Notice: Undefined index: scope in Drupal\Core\Asset\AssetResolver->getJsAssets() (line 289 of core/lib/Drupal/Core/Asset/AssetResolver.php).