Slim Application Error

The application could not run because of the following error:

Details

Type: Twig\Error\RuntimeError
Message: Key "image_urls" does not exist as the array is empty.
File: /var/www/html/knightcolumbia.org/app/templates/site/blog_channel.html
Line: 6

Trace

#0 /var/www/html/knightcolumbia.org/vendor/twig/twig/src/Environment.php(418) : eval()'d code(55): twig_get_attribute()
#1 /var/www/html/knightcolumbia.org/vendor/twig/twig/src/Template.php(182): __TwigTemplate_d733744f127000465edafb37d93135690e254815acfab91fedc4f7a931147599->block_page_content()
#2 /var/www/html/knightcolumbia.org/vendor/twig/twig/src/Environment.php(418) : eval()'d code(271): Twig\Template->displayBlock()
#3 /var/www/html/knightcolumbia.org/vendor/twig/twig/src/Template.php(405): __TwigTemplate_447b08906882610ce1a5e53e09438f7d1640f4f45c9d305224074c87dda2e4c7->doDisplay()
#4 /var/www/html/knightcolumbia.org/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling()
#5 /var/www/html/knightcolumbia.org/vendor/twig/twig/src/Environment.php(418) : eval()'d code(43): Twig\Template->display()
#6 /var/www/html/knightcolumbia.org/vendor/twig/twig/src/Template.php(405): __TwigTemplate_d733744f127000465edafb37d93135690e254815acfab91fedc4f7a931147599->doDisplay()
#7 /var/www/html/knightcolumbia.org/vendor/twig/twig/src/Template.php(378): Twig\Template->displayWithErrorHandling()
#8 /var/www/html/knightcolumbia.org/vendor/twig/twig/src/Template.php(390): Twig\Template->display()
#9 /var/www/html/knightcolumbia.org/vendor/twig/twig/src/TemplateWrapper.php(45): Twig\Template->render()
#10 /var/www/html/knightcolumbia.org/vendor/twig/twig/src/Environment.php(318): Twig\TemplateWrapper->render()
#11 /var/www/html/knightcolumbia.org/vendor/slim/twig-view/src/Twig.php(92): Twig\Environment->render()
#12 /var/www/html/knightcolumbia.org/vendor/slim/twig-view/src/Twig.php(136): Slim\Views\Twig->fetch()
#13 /var/www/html/knightcolumbia.org/app/site/routes/blog.php(154): Slim\Views\Twig->render()
#14 [internal function]: Closure->{closure}()
#15 /var/www/html/knightcolumbia.org/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(41): call_user_func()
#16 /var/www/html/knightcolumbia.org/vendor/slim/slim/Slim/Route.php(344): Slim\Handlers\Strategies\RequestResponse->__invoke()
#17 /var/www/html/knightcolumbia.org/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(122): Slim\Route->__invoke()
#18 /var/www/html/knightcolumbia.org/vendor/slim/slim/Slim/Route.php(316): Slim\Route->callMiddlewareStack()
#19 /var/www/html/knightcolumbia.org/vendor/slim/slim/Slim/App.php(476): Slim\Route->run()
#20 /var/www/html/knightcolumbia.org/vendor/akrabat/rka-ip-address-middleware/src/IpAddress.php(92): Slim\App->__invoke()
#21 [internal function]: RKA\Middleware\IpAddress->__invoke()
#22 /var/www/html/knightcolumbia.org/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array()
#23 [internal function]: Slim\DeferredCallable->__invoke()
#24 /var/www/html/knightcolumbia.org/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(73): call_user_func()
#25 /var/www/html/knightcolumbia.org/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(122): Slim\App->Slim\{closure}()
#26 /var/www/html/knightcolumbia.org/vendor/slim/slim/Slim/App.php(370): Slim\App->callMiddlewareStack()
#27 /var/www/html/knightcolumbia.org/vendor/slim/slim/Slim/App.php(295): Slim\App->process()
#28 /var/www/html/knightcolumbia.org/public/site/index.php(66): Slim\App->run()
#29 {main}