if Enable Advanced Aggregation drupal Refused to apply style from '' because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checking is enabled.
Error: Class "Drupal\bootstrap\Bootstrap" not found in include_once() (line 31 of themes\bootstrap\bootstrap.theme).
Drupal\Core\Extension\Extension->load() (Line: 135)
Drupal\Core\Theme\ThemeInitialization->loadActiveTheme(Object) (Line: 74)
Drupal\Core\Theme\ThemeInitialization->initTheme('bootstrap_dialogues') (Line: 159)
Drupal\system\Controller\AssetControllerBase->deliver(Object, 'css_XzMGIrFYacOgoz1nkOBZ9PLCXovJNvohKHyG80T8eb8.css')
call_user_func_array(Array, Array) (Line: 123)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 627)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 124)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 181)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 106)
Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
Closed: won't fix
3.30
Code
Add to line 2 of bootstrap.theme file
require_once('src/Bootstrap.php');
this error has existed since 2023 !
https://www.drupal.org/project/bootstrap/issues/3369979
🐛
Drupal 10.1 breaks Bootstrap
Fixed
why still this error in 2024
Is my DIY the right solution ?