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i keep getting this error. The error goes away when i remove the info.yml file from the subtheme. I upload the subtheme in the root theme directory. I've added the error message along with the info.yml file, libraries.yml file, and the .theme file below.

Drupal\Core\Extension\InfoParserException: Missing required keys (name) in themes/jetsetterguide/Jetsetterguide.info.yml in Drupal\Core\Extension\InfoParserDynamic->parse() (line 57 of core/lib/Drupal/Core/Extension/InfoParserDynamic.php). Drupal\Core\Extension\InfoParser->parse() (Line: 554) Drupal\Core\Extension\ExtensionList->createExtensionInfo() (Line: 266) Drupal\Core\Extension\ThemeExtensionList->createExtensionInfo() (Line: 316) Drupal\Core\Extension\ExtensionList->doList() (Line: 113) Drupal\Core\Extension\ThemeExtensionList->doList() (Line: 282) Drupal\Core\Extension\ExtensionList->getList() (Line: 72) Drupal\Core\Extension\ThemeHandler->listInfo() (Line: 55) Drupal\Core\Theme\ThemeAccessCheck->checkAccess() (Line: 69) Drupal\Core\Theme\ThemeNegotiator->determineActiveTheme() (Line: 405) Drupal\Core\Theme\ThemeManager->initTheme() (Line: 96) Drupal\Core\Theme\ThemeManager->getActiveTheme() (Line: 75) Drupal\Core\Render\ElementInfoManager->getInfo() (Line: 816) Drupal\Core\Form\FormBuilder->prepareForm() (Line: 284) Drupal\Core\Form\FormBuilder->buildForm() (Line: 73) Drupal\Core\Controller\FormController->getContentResult() call_user_func_array() (Line: 123) Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber{closure}() (Line: 580) Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 124) Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext() (Line: 97) Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber{closure}() (Line: 169) Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 81) Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 58) Drupal\Core\StackMiddleware\Session->handle() (Line: 48) Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 106) Drupal\page_cache\StackMiddleware\PageCache->pass() (Line: 85) Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48) Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51) Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 23) Stack\StackedHttpKernel->handle() (Line: 718) Drupal\Core\DrupalKernel->handle() (Line: 19)

Here is the info.yml file I've added:

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  • Please delimit the code blocks. They are illegible.
    – cilefen
    Sep 22 at 4:07

1 Answer 1

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You need to pay attention to the details.

  1. Theme machine names (name of files) need to be all lowercase.
  2. Your .theme file is missing an opening <?php tag.
  3. Global-styling: needs to be lowercase as well, and the line break removed.
  4. In the info file everything below regions: needs to be indented.
  5. In the info file everything below libraries: needs to be indented and prefixed with a - .
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  • i have corrected all but now getting this error: Drupal\Core\Extension\InfoParserException: Missing required keys (name) in themes/jetsetterguide/Jetsetterguide.info.yml in Drupal\Core\Extension\InfoParserDynamic->parse() (line 57 of core/lib/Drupal/Core/Extension/InfoParserDynamic.php).
    – beauthis6
    Sep 26 at 22:57
  • im fairly new to drupal.
    – beauthis6
    Sep 26 at 23:14
  • is it saying the name key missing. if thats causing the error. the name key for the subtheme is there.
    – beauthis6
    Sep 26 at 23:18
  • @beauthis6 – Jetsetterguide.info.yml still is uppercase. Fix it. In all file names. That's the first 1.) point in my answer.
    – leymannx
    Sep 27 at 6:09
  • thanks for the reply @leymannx still getting the same error code: Drupal\Core\Extension\InfoParserException: Missing required keys (name) in themes/jetsetterguide/jetsetterguide.info.yml in Drupal\Core\Extension\InfoParserDynamic->parse() (line 57 of core/lib/Drupal/Core/Extension/InfoParserDynamic.php).
    – beauthis6
    Sep 27 at 20:48

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