Hans V. Mathews writes on C. Douglas

in Library Artifacts
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Hans V. Mathews writes on C. Douglas and his works in Frontline, November 29, 1996.

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TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in count() (line 163 of modules/custom/sahapedia_block/src/Plugin/Block/LibraryArtifactsBlock.php).
count(NULL) (Line: 163)
Drupal\sahapedia_block\Plugin\Block\LibraryArtifactsBlock->build() (Line: 171)
Drupal\block\BlockViewBuilder::preRender(Array)
call_user_func_array('Drupal\block\BlockViewBuilder::preRender', Array) (Line: 113)
Drupal\Core\Render\Renderer->doTrustedCallback('Drupal\block\BlockViewBuilder::preRender', 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. See https://www.drupal.org/node/2966725', 'exception', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 870)
Drupal\Core\Render\Renderer->doCallback('#pre_render', 'Drupal\block\BlockViewBuilder::preRender', Array) (Line: 432)
Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 248)
Drupal\Core\Render\Renderer->render(Array, 1) (Line: 165)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 638)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 164)
Drupal\Core\Render\Renderer->renderInIsolation(Array) (Line: 191)
Drupal\Core\Render\Renderer->doRenderPlaceholder(Array) (Line: 228)
Drupal\Core\Render\Renderer->renderPlaceholder('callback=Drupal%5Cblock%5CBlockViewBuilder%3A%3AlazyBuilder&args%5B0%5D=sahapedialibraryartifacts&args%5B1%5D=full&args%5B2%5D&token=BgJjAvtdjzuGrHz-AnYCxPwetxTOe7knZj1AYnG0AOc', Array) (Line: 697)
Drupal\big_pipe\Render\BigPipe->renderPlaceholder('callback=Drupal%5Cblock%5CBlockViewBuilder%3A%3AlazyBuilder&args%5B0%5D=sahapedialibraryartifacts&args%5B1%5D=full&args%5B2%5D&token=BgJjAvtdjzuGrHz-AnYCxPwetxTOe7knZj1AYnG0AOc', Array) (Line: 524)
Drupal\big_pipe\Render\BigPipe->Drupal\big_pipe\Render\{closure}()
Fiber->start() (Line: 531)
Drupal\big_pipe\Render\BigPipe->sendPlaceholders(Array, Array, Object) (Line: 283)
Drupal\big_pipe\Render\BigPipe->sendContent(Object) (Line: 113)
Drupal\big_pipe\Render\BigPipeResponse->sendContent() (Line: 423)
Symfony\Component\HttpFoundation\Response->send() (Line: 20)