a:6:{s:5:"%type";s:7:"Warning";s:8:"@message";O:25:"Drupal\Core\Render\Markup":1:{s:9:"*string";s:74:"count(): Parameter must be an array or an object that implements Countable";}s:9:"%function";s:65:"Drupal\media_library\Form\FileUploadForm->validateUploadElement()";s:5:"%file";s:72:"/var/www/html/web/core/modules/media_library/src/Form/FileUploadForm.php";s:5:"%line";i:183;s:17:"@backtrace_string";s:4948:"#0 /var/www/html/web/core/includes/bootstrap.inc(587): _drupal_error_handler_real(2, 'count(): Parame...', '/var/www/html/w...', 183, Array)
#1 [internal function]: _drupal_error_handler(2, 'count(): Parame...', '/var/www/html/w...', 183, Array)
#2 /var/www/html/web/core/modules/media_library/src/Form/FileUploadForm.php(183): count(NULL)
#3 [internal function]: Drupal\media_library\Form\FileUploadForm->validateUploadElement(Array, Object(Drupal\Core\Form\FormState), Array)
#4 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(998): call_user_func_array(Array, Array)
#5 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(1061): Drupal\Core\Form\FormBuilder->doBuildForm('media_library_a...', Array, Object(Drupal\Core\Form\FormState))
#6 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(1061): Drupal\Core\Form\FormBuilder->doBuildForm('media_library_a...', Array, Object(Drupal\Core\Form\FormState))
#7 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(432): Drupal\Core\Form\FormBuilder->doBuildForm('media_library_a...', Array, Object(Drupal\Core\Form\FormState))
#8 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(626): Drupal\Core\Form\FormBuilder->rebuildForm('media_library_a...', Object(Drupal\Core\Form\FormState), Array)
#9 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(319): Drupal\Core\Form\FormBuilder->processForm('media_library_a...', Array, Object(Drupal\Core\Form\FormState))
#10 /var/www/html/web/core/modules/media_library/src/MediaLibraryUiBuilder.php(317): Drupal\Core\Form\FormBuilder->buildForm('Drupal\\media_li...', Object(Drupal\Core\Form\FormState))
#11 /var/www/html/web/core/modules/media_library/src/MediaLibraryUiBuilder.php(167): Drupal\media_library\MediaLibraryUiBuilder->buildMediaTypeAddForm(Object(Drupal\media_library\MediaLibraryState))
#12 /var/www/html/web/core/modules/media_library/src/MediaLibraryUiBuilder.php(133): Drupal\media_library\MediaLibraryUiBuilder->buildLibraryContent(Object(Drupal\media_library\MediaLibraryState))
#13 [internal function]: Drupal\media_library\MediaLibraryUiBuilder->buildUi(Object(Drupal\media_library\MediaLibraryState))
#14 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array(Array, Array)
#15 /var/www/html/web/core/lib/Drupal/Core/Render/Renderer.php(582): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#16 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(124): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure))
#17 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array)
#18 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(151): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}()
#19 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1)
#20 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/Session.php(57): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#21 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(47): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#22 /var/www/html/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(106): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#23 /var/www/html/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(85): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#24 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(47): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#25 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(52): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#26 /var/www/html/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#27 /var/www/html/web/core/lib/Drupal/Core/DrupalKernel.php(693): Stack\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true)
#28 /var/www/html/web/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request))
#29 {main}";}