Call to a member function getVariant() on null in Drupal\panels\Controller\Panels->getCachedValues()

Repeatable: Always
Steps to repeat:
1. Install and enable the following Modules:
language: 8.6.10,
page_manager: 4.0-beta3,
page_manager_ui: 4.0-beta3,
panels: 4.3,
panels_everywhere: 4.0-beta1,
ctools 3.2,
ctools_block: 3.2,
2. Edit 'node_view' machine name.
3. Add Variant of Type 'Panels'.
4. Check "Selection criteria" and "Contexts"
5. Add Language Condition
6. Builder 'Standard'
7. Layout 'One Column'
8. Try to add a Block.

Expected Results:
Block Added

Actual Results:
Error in Console:

Error: Call to a member function getVariant() on null in Drupal\panels\Controller\Panels->getCachedValues() (line 39 of /Library/WebServer/Documents/drupal/modules/contrib/panels/src/CachedValuesGetterTrait.php) #0 /Library/WebServer/Documents/drupal/modules/contrib/panels/src/Controller/Panels.php(108): Drupal\panels\Controller\Panels->getCachedValues(Object(Drupal\user\SharedTempStoreFactory), 'page_manager.pa...', Array) #1 [internal function]: Drupal\panels\Controller\Panels->selectBlock(Object(Symfony\Component\HttpFoundation\Request), 'node_view-panel...', 'page_manager.pa...') #2 /Library/WebServer/Documents/drupal/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array(Array, Array) #3 /Library/WebServer/Documents/drupal/core/lib/Drupal/Core/Render/Renderer.php(582): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() #4 /Library/WebServer/Documents/drupal/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(124): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure)) #5 /Library/WebServer/Documents/drupal/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) #6 /Library/WebServer/Documents/drupal/vendor/symfony/http-kernel/HttpKernel.php(151): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() #7 /Library/WebServer/Documents/drupal/vendor/symfony/http-kernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #8 /Library/WebServer/Documents/drupal/core/lib/Drupal/Core/StackMiddleware/Session.php(57): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #9 /Library/WebServer/Documents/drupal/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(47): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #10 /Library/WebServer/Documents/drupal/core/modules/page_cache/src/StackMiddleware/PageCache.php(99): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #11 /Library/WebServer/Documents/drupal/core/modules/page_cache/src/StackMiddleware/PageCache.php(78): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true) #12 /Library/WebServer/Documents/drupal/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(47): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #13 /Library/WebServer/Documents/drupal/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(52): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #14 /Library/WebServer/Documents/drupal/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #15 /Library/WebServer/Documents/drupal/core/lib/Drupal/Core/DrupalKernel.php(693): Stack\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #16 /Library/WebServer/Documents/drupal/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #17 {main}.