Warning: hash_file(public://toolsource/2016-07-19/attach/FIFRA FQPA Clinician's Guide.pdf): Failed to open stream: "Drupal\Core\StreamWrapper\PublicStream::stream_open" call failed in Drupal\filehash\FileHash->hash() (line 259 of modules/contrib/filehash/src/FileHash.php).
Drupal\filehash\FileHash->hash() (Line: 232)
Drupal\filehash\FileHash->filePresave() (Line: 77)
filehash_file_presave()
call_user_func_array() (Line: 416)
Drupal\Core\Extension\ModuleHandler->Drupal\Core\Extension\{closure}() (Line: 395)
Drupal\Core\Extension\ModuleHandler->invokeAllWith() (Line: 415)
Drupal\Core\Extension\ModuleHandler->invokeAll() (Line: 215)
Drupal\Core\Entity\EntityStorageBase->invokeHook() (Line: 900)
Drupal\Core\Entity\ContentEntityStorageBase->invokeHook() (Line: 529)
Drupal\Core\Entity\EntityStorageBase->doPreSave() (Line: 753)
Drupal\Core\Entity\ContentEntityStorageBase->doPreSave() (Line: 483)
Drupal\Core\Entity\EntityStorageBase->save() (Line: 806)
Drupal\Core\Entity\Sql\SqlContentEntityStorage->save() (Line: 354)
Drupal\Core\Entity\EntityBase->save() (Line: 219)
Drupal\filehash\FileHash->entityStorageLoad() (Line: 39)
filehash_entity_storage_load() (Line: 867)
Drupal\Core\Entity\ContentEntityStorageBase->Drupal\Core\Entity\{closure}() (Line: 395)
Drupal\Core\Extension\ModuleHandler->invokeAllWith() (Line: 864)
Drupal\Core\Entity\ContentEntityStorageBase->invokeStorageLoadHook() (Line: 395)
Drupal\Core\Entity\Sql\SqlContentEntityStorage->doLoadMultiple() (Line: 312)
Drupal\Core\Entity\EntityStorageBase->loadMultiple() (Line: 262)
Drupal\Core\Entity\EntityStorageBase->load() (Line: 74)
Drupal\Core\Entity\Plugin\DataType\EntityReference->getTarget() (Line: 37)
Drupal\Core\TypedData\DataReferenceBase->getValue() (Line: 154)
Drupal\Core\Field\FieldItemBase->__get() (Line: 419)
file_entity_entity_storage_load() (Line: 867)
Drupal\Core\Entity\ContentEntityStorageBase->Drupal\Core\Entity\{closure}() (Line: 395)
Drupal\Core\Extension\ModuleHandler->invokeAllWith() (Line: 864)
Drupal\Core\Entity\ContentEntityStorageBase->invokeStorageLoadHook() (Line: 395)
Drupal\Core\Entity\Sql\SqlContentEntityStorage->doLoadMultiple() (Line: 312)
Drupal\Core\Entity\EntityStorageBase->loadMultiple() (Line: 1654)
Drupal\views\Plugin\views\query\Sql->loadEntities() (Line: 1579)
Drupal\views\Plugin\views\query\Sql->execute() (Line: 1486)
Drupal\views\ViewExecutable->execute() (Line: 1514)
Drupal\views\ViewExecutable->render() (Line: 201)
Drupal\views\Plugin\views\display\Page->execute() (Line: 1690)
Drupal\views\ViewExecutable->executeDisplay() (Line: 81)
Drupal\views\Element\View::preRenderViewElement()
call_user_func_array() (Line: 113)
Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886)
Drupal\Core\Render\Renderer->doCallback() (Line: 431)
Drupal\Core\Render\Renderer->doRender() (Line: 248)
Drupal\Core\Render\Renderer->render() (Line: 238)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 637)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 231)
Drupal\Core\Render\MainContent\HtmlRenderer->prepare() (Line: 128)
Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray()
call_user_func() (Line: 111)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 186)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 116)
Drupal\page_cache\StackMiddleware\PageCache->pass() (Line: 90)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741)
Drupal\Core\DrupalKernel->handle() (Line: 19)
