static_build: fails on fresh install

Static build fails on fresh install.

TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given en count() (línea 230 de /var/www/html/web/core/lib/Drupal/Core/Render/Element/Tableselect.php) #0 /var/www/html/web/core/lib/Drupal/Core/Render/Element/Tableselect.php(230): count(NULL) #1 [internal function]: Drupal\Core\Render\Element\Tableselect::processTableselect(Array, Object(Drupal\Core\Form\FormState), Array) #2 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(1008): call_user_func_array(Array, Array) #3 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(1071): Drupal\Core\Form\FormBuilder->doBuildForm('static_build_se...', Array, Object(Drupal\Core\Form\FormState)) #4 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(1071): Drupal\Core\Form\FormBuilder->doBuildForm('static_build_se...', Array, Object(Drupal\Core\Form\FormState)) #5 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(1071): Drupal\Core\Form\FormBuilder->doBuildForm('static_build_se...', Array, Object(Drupal\Core\Form\FormState)) #6 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(1071): Drupal\Core\Form\FormBuilder->doBuildForm('static_build_se...', Array, Object(Drupal\Core\Form\FormState)) #7 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(575): Drupal\Core\Form\FormBuilder->doBuildForm('static_build_se...', Array, Object(Drupal\Core\Form\FormState)) #8 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(321): Drupal\Core\Form\FormBuilder->processForm('static_build_se...', Array, Object(Drupal\Core\Form\FormState)) #9 /var/www/html/web/core/lib/Drupal/Core/Controller/FormController.php(73): Drupal\Core\Form\FormBuilder->buildForm(Object(Drupal\static_build\Form\SettingsForm), Object(Drupal\Core\Form\FormState)) #10 [internal function]: Drupal\Core\Controller\FormController->getContentResult(Object(Symfony\Component\HttpFoundation\Request), Object(Drupal\Core\Routing\RouteMatch)) #11 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array(Array, Array) #12 /var/www/html/web/core/lib/Drupal/Core/Render/Renderer.php(573): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() #13 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(124): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure)) #14 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) #15 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(158): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() #16 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(80): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #17 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/Session.php(57): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #18 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(47): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #19 /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) #20 /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) #21 /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) #22 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(52): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #23 /var/www/html/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #24 /var/www/html/web/core/lib/Drupal/Core/DrupalKernel.php(706): Stack\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #25 /var/www/html/web/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #26 {main}

Posible solution:

• Initialize $options variable as needed for the tableselect component.