Opigno lms v2.13 has many many errors

tqnghiep
Hi guys, I am using Opigno v2.13, I was downloaded from your releases page. But when I try to do something on system, I got many error. This is an example: The website encountered an unexpected error. Please try again later. InvalidArgumentException: Field changed is unknown. in Drupal\Core\Entity\ContentEntityBase->getTranslatedField() (line 587 of core/lib/Drupal/Core/Entity/ContentEntityBase.php). Drupal\Core\Entity\ContentEntityBase->get('changed') (Line: 628) Drupal\Core\Entity\ContentEntityBase->set('changed', 1596470808) (Line: 45) Drupal\opigno_module\Entity\UserModuleStatus->setChangedTime(1596470808) (Line: 404) Drupal\Core\Entity\ContentEntityForm->updateChangedTime(Object) (Line: 151) Drupal\Core\Entity\ContentEntityForm->submitForm(Array, Object) call_user_func_array(Array, Array) (Line: 114) Drupal\Core\Form\FormSubmitter->executeSubmitHandlers(Array, Object) (Line: 52) Drupal\Core\Form\FormSubmitter->doSubmitForm(Array, Object) (Line: 592) Drupal\Core\Form\FormBuilder->processForm('user_module_status_add_form', Array, Object) (Line: 321) Drupal\Core\Form\FormBuilder->buildForm(Object, Object) (Line: 91) Drupal\Core\Controller\FormController->getContentResult(Object, Object) call_user_func_array(Array, Array) (Line: 123) Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber{closure}() (Line: 573) 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: 151) Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 68) Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 57) Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 47) 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: 47) Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 52) 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) Could someone please help me to resolve it?