Hola, tengo este error muy similar al anterior alguien me puede ayudar. Estoy ejecutando local.
Estoy migrando de 8.9.6 a 10.3.1
Error: Class "Twig_Extension" not found in include() (line 15 of C:\xampp\htdocs\modules\contrib\devel\src\Twig\Extension\Debug.php).
include() (Line: 576)
Composer\Autoload\{closure}('C:\xampp\htdocs/modules/contrib/devel/src\Twig\Extension\Debug.php') (Line: 427)
Composer\Autoload\ClassLoader->loadClass('Drupal\devel\Twig\Extension\Debug')
is_a('Drupal\devel\Twig\Extension\Debug', 'Twig\Extension\ExtensionInterface', 1) (Line: 183)
Drupal\Core\DependencyInjection\Compiler\TaggedHandlersPass->processServiceCollectorPass(Array, 'twig', Object) (Line: 118)
Drupal\Core\DependencyInjection\Compiler\TaggedHandlersPass->process(Object) (Line: 80)
Symfony\Component\DependencyInjection\Compiler\Compiler->compile(Object) (Line: 767)
Symfony\Component\DependencyInjection\ContainerBuilder->compile() (Line: 1447)
Drupal\Core\DrupalKernel->compileContainer() (Line: 971)
Drupal\Core\DrupalKernel->initializeContainer() (Line: 42)
Drupal\Core\Update\UpdateKernel->initializeContainer() (Line: 515)
Drupal\Core\DrupalKernel->boot() (Line: 65)
Drupal\Core\Update\UpdateKernel->handle(Object) (Line: 27)