Error message

Warning: Undefined array key "mgd-php@2.0.0" in CRM_Extension_MixinLoader->loadMixins() (line 74 of /var/www/html/vendor/civicrm/civicrm-core/CRM/Extension/MixinLoader.php).
CRM_Extension_MixinLoader->loadMixins() (Line: 34)
CRM_Extension_MixinLoader->run() (Line: 704)
Civi\Core\Container::boot() (Line: 88)
CRM_Core_Config::singleton() (Line: 60)
Drupal\civicrm\Civicrm->initialize() (Line: 30)
Drupal\civicrm\PathProcessor\CivicrmPathProcessor->processInbound() (Line: 70)
Drupal\Core\PathProcessor\PathProcessorManager->processInbound() (Line: 181)
Drupal\Core\Routing\RouteProvider->getRouteCollectionForRequest() (Line: 258)
Drupal\Core\Routing\Router->getInitialRouteCollection() (Line: 148)
Drupal\Core\Routing\Router->matchRequest() (Line: 92)
Drupal\Core\Routing\AccessAwareRouter->matchRequest() (Line: 105)
Symfony\Component\HttpKernel\EventListener\RouterListener->onKernelRequest()
call_user_func() (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 157)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 201)
Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741)
Drupal\Core\DrupalKernel->handle() (Line: 19)

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