Hello,
I have Upgraded to 9.30 a few days ago and when I try to uninstall a module or clear cache I receive the following error page;
"The website encountered an unexpected error. Please try again later.
Error: Call to undefined method Drupal\jsonapi\ResourceType\ResourceTypeAttribute::withRelatableResourceTypes() in Drupal\jsonapi\ResourceType\ResourceType->Drupal\jsonapi\ResourceType\{closure}() (line 390 of core/modules/jsonapi/src/ResourceType/ResourceType.php).
Drupal\jsonapi\ResourceType\ResourceType->Drupal\jsonapi\ResourceType\{closure}(Array, 'drupal_internal__geoid')
array_reduce(Array, Object, Array) (Line: 392)
Drupal\jsonapi\ResourceType\ResourceType->setRelatableResourceTypes(Array) (Line: 137)
Drupal\jsonapi\ResourceType\ResourceTypeRepository->all() (Line: 115)
Drupal\jsonapi\Routing\Routes->routes()
call_user_func(Array) (Line: 146)
Drupal\Core\Routing\RouteBuilder->rebuild() (Line: 83)
Drupal\Core\ProxyClass\Routing\RouteBuilder->rebuild() (Line: 581)
drupal_flush_all_caches() (Line: 31)
Drupal\php\PhpUninstallValidator->removeFilterConfig() (Line: 18)
Drupal\php\PhpUninstallValidator->validate('php') (Line: 633)
Drupal\Core\Extension\ModuleInstaller->validateUninstall(Array) (Line: 99)
Drupal\Core\ProxyClass\Extension\ModuleInstaller->validateUninstall(Array) (Line: 148)
Drupal\system\Form\ModulesUninstallForm->buildForm(Array, Object)
call_user_func_array(Array, Array) (Line: 531)
Drupal\Core\Form\FormBuilder->retrieveForm('system_modules_uninstall', Object) (Line: 278)
Drupal\Core\Form\FormBuilder->buildForm(Object, Object) (Line: 73)
Drupal\Core\Controller\FormController->getContentResult(Object, Object)
call_user_func_array(Array, Array) (Line: 123)
Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 564)
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: 158)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 80)
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: 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: 23)
Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 708)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
"
Thanks for you suggestions.