Error message

• Warning: assert(): Cannot load the "taxonomy_term" entity with NULL ID. failed in Drupal\Core\Entity\EntityStorageBase->load() (line 249 of core/lib/Drupal/Core/Entity/EntityStorageBase.php).

  Drupal\Core\Entity\EntityStorageBase->load(NULL) (Line: 544)
  Drupal\Core\Entity\EntityBase::load(NULL) (Line: 86)
  Drupal\ween_blocks\Plugin\Block\ProductGroup->build() (Line: 171)
  Drupal\block\BlockViewBuilder::preRender(Array)
  call_user_func_array(Array, Array) (Line: 100)
  Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. Support for this callback implementation is deprecated in 8.8.0 and will be removed in Drupal 9.0.0. See https://www.drupal.org/node/2966725', 'silenced_deprecation', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 781)
  Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 372)
  Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array, 1) (Line: 156)
  Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 157)
  Drupal\Core\Render\Renderer->renderPlain(Array) (Line: 171)
  Drupal\Core\Render\Renderer->renderPlaceholder('', Array) (Line: 658)
  Drupal\Core\Render\Renderer->replacePlaceholders(Array) (Line: 543)
  Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array, 1) (Line: 144)
  Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 145)
  Drupal\Core\Render\Renderer->renderRoot(Array) (Line: 282)
  Drupal\Core\Render\HtmlResponseAttachmentsProcessor->renderPlaceholders(Object) (Line: 131)
  Drupal\Core\Render\HtmlResponseAttachmentsProcessor->processAttachments(Object) (Line: 45)
  Drupal\Core\EventSubscriber\HtmlResponseSubscriber->onRespond(Object, 'kernel.response', Object)
  call_user_func(Array, Object, 'kernel.response', Object) (Line: 111)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('kernel.response', Object) (Line: 191)
  Symfony\Component\HttpKernel\HttpKernel->filterResponse(Object, Object, 1) (Line: 173)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 68)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 67)
  Drupal\simple_oauth\HttpMiddleware\BasicAuthSwap->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: 191)
  Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
  Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
  Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 130)
  Drupal\cdn\StackMiddleware\DuplicateContentPreventionMiddleware->handle(Object, 1, 1) (Line: 49)
  Asm89\Stack\Cors->handle(Object, 1, 1) (Line: 57)
  Drupal\advban\AdvbanMiddleware->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->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)
  

• Warning: array_flip(): Can only flip STRING and INTEGER values! in Drupal\Core\Entity\EntityStorageBase->loadMultiple() (line 266 of core/lib/Drupal/Core/Entity/EntityStorageBase.php).

  Drupal\Core\Entity\EntityStorageBase->loadMultiple(Array) (Line: 250)
  Drupal\Core\Entity\EntityStorageBase->load(NULL) (Line: 544)
  Drupal\Core\Entity\EntityBase::load(NULL) (Line: 86)
  Drupal\ween_blocks\Plugin\Block\ProductGroup->build() (Line: 171)
  Drupal\block\BlockViewBuilder::preRender(Array)
  call_user_func_array(Array, Array) (Line: 100)
  Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. Support for this callback implementation is deprecated in 8.8.0 and will be removed in Drupal 9.0.0. See https://www.drupal.org/node/2966725', 'silenced_deprecation', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 781)
  Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 372)
  Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array, 1) (Line: 156)
  Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 157)
  Drupal\Core\Render\Renderer->renderPlain(Array) (Line: 171)
  Drupal\Core\Render\Renderer->renderPlaceholder('', Array) (Line: 658)
  Drupal\Core\Render\Renderer->replacePlaceholders(Array) (Line: 543)
  Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array, 1) (Line: 144)
  Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 145)
  Drupal\Core\Render\Renderer->renderRoot(Array) (Line: 282)
  Drupal\Core\Render\HtmlResponseAttachmentsProcessor->renderPlaceholders(Object) (Line: 131)
  Drupal\Core\Render\HtmlResponseAttachmentsProcessor->processAttachments(Object) (Line: 45)
  Drupal\Core\EventSubscriber\HtmlResponseSubscriber->onRespond(Object, 'kernel.response', Object)
  call_user_func(Array, Object, 'kernel.response', Object) (Line: 111)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('kernel.response', Object) (Line: 191)
  Symfony\Component\HttpKernel\HttpKernel->filterResponse(Object, Object, 1) (Line: 173)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 68)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 67)
  Drupal\simple_oauth\HttpMiddleware\BasicAuthSwap->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: 191)
  Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
  Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
  Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 130)
  Drupal\cdn\StackMiddleware\DuplicateContentPreventionMiddleware->handle(Object, 1, 1) (Line: 49)
  Asm89\Stack\Cors->handle(Object, 1, 1) (Line: 57)
  Drupal\advban\AdvbanMiddleware->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->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)
  

• Notice: Trying to get property 'parent' of non-object in Drupal\ween_blocks\Plugin\Block\ProductGroup->build() (line 87 of modules/custom/ween_blocks/src/Plugin/Block/ProductGroup.php).

  Drupal\ween_blocks\Plugin\Block\ProductGroup->build() (Line: 171)
  Drupal\block\BlockViewBuilder::preRender(Array)
  call_user_func_array(Array, Array) (Line: 100)
  Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. Support for this callback implementation is deprecated in 8.8.0 and will be removed in Drupal 9.0.0. See https://www.drupal.org/node/2966725', 'silenced_deprecation', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 781)
  Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 372)
  Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array, 1) (Line: 156)
  Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 157)
  Drupal\Core\Render\Renderer->renderPlain(Array) (Line: 171)
  Drupal\Core\Render\Renderer->renderPlaceholder('', Array) (Line: 658)
  Drupal\Core\Render\Renderer->replacePlaceholders(Array) (Line: 543)
  Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array, 1) (Line: 144)
  Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 145)
  Drupal\Core\Render\Renderer->renderRoot(Array) (Line: 282)
  Drupal\Core\Render\HtmlResponseAttachmentsProcessor->renderPlaceholders(Object) (Line: 131)
  Drupal\Core\Render\HtmlResponseAttachmentsProcessor->processAttachments(Object) (Line: 45)
  Drupal\Core\EventSubscriber\HtmlResponseSubscriber->onRespond(Object, 'kernel.response', Object)
  call_user_func(Array, Object, 'kernel.response', Object) (Line: 111)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('kernel.response', Object) (Line: 191)
  Symfony\Component\HttpKernel\HttpKernel->filterResponse(Object, Object, 1) (Line: 173)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 68)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 67)
  Drupal\simple_oauth\HttpMiddleware\BasicAuthSwap->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: 191)
  Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
  Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
  Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 130)
  Drupal\cdn\StackMiddleware\DuplicateContentPreventionMiddleware->handle(Object, 1, 1) (Line: 49)
  Asm89\Stack\Cors->handle(Object, 1, 1) (Line: 57)
  Drupal\advban\AdvbanMiddleware->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->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)
  

• Notice: Trying to get property 'entity' of non-object in Drupal\ween_blocks\Plugin\Block\ProductGroup->build() (line 87 of modules/custom/ween_blocks/src/Plugin/Block/ProductGroup.php).

  Drupal\ween_blocks\Plugin\Block\ProductGroup->build() (Line: 171)
  Drupal\block\BlockViewBuilder::preRender(Array)
  call_user_func_array(Array, Array) (Line: 100)
  Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. Support for this callback implementation is deprecated in 8.8.0 and will be removed in Drupal 9.0.0. See https://www.drupal.org/node/2966725', 'silenced_deprecation', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 781)
  Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 372)
  Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array, 1) (Line: 156)
  Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 157)
  Drupal\Core\Render\Renderer->renderPlain(Array) (Line: 171)
  Drupal\Core\Render\Renderer->renderPlaceholder('', Array) (Line: 658)
  Drupal\Core\Render\Renderer->replacePlaceholders(Array) (Line: 543)
  Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array, 1) (Line: 144)
  Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 145)
  Drupal\Core\Render\Renderer->renderRoot(Array) (Line: 282)
  Drupal\Core\Render\HtmlResponseAttachmentsProcessor->renderPlaceholders(Object) (Line: 131)
  Drupal\Core\Render\HtmlResponseAttachmentsProcessor->processAttachments(Object) (Line: 45)
  Drupal\Core\EventSubscriber\HtmlResponseSubscriber->onRespond(Object, 'kernel.response', Object)
  call_user_func(Array, Object, 'kernel.response', Object) (Line: 111)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('kernel.response', Object) (Line: 191)
  Symfony\Component\HttpKernel\HttpKernel->filterResponse(Object, Object, 1) (Line: 173)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 68)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 67)
  Drupal\simple_oauth\HttpMiddleware\BasicAuthSwap->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: 191)
  Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
  Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
  Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 130)
  Drupal\cdn\StackMiddleware\DuplicateContentPreventionMiddleware->handle(Object, 1, 1) (Line: 49)
  Asm89\Stack\Cors->handle(Object, 1, 1) (Line: 57)
  Drupal\advban\AdvbanMiddleware->handle(Object, 1, 1) (Line: 50)
  Drupal\ban\BanMiddleware->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)