The application could not run because of the following error:
#0 /var/www/org.graceproclaimed/app/lib/Wordpress.php(98): Slim\Slim::handleErrors()#1 /var/www/org.graceproclaimed/app/routes/default.php(29): App\Wordpress->getPostsByCategorySlug()#2 [internal function]: App\{closure}()#3 /var/www/org.graceproclaimed/app/vendor/slim/slim/Slim/Route.php(468): call_user_func_array()#4 /var/www/org.graceproclaimed/app/vendor/slim/slim/Slim/Slim.php(1355): Slim\Route->dispatch()#5 /var/www/org.graceproclaimed/app/vendor/slim/slim/Slim/Middleware/Flash.php(85): Slim\Slim->call()#6 /var/www/org.graceproclaimed/app/vendor/slim/slim/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()#7 /var/www/org.graceproclaimed/app/vendor/slim/slim/Slim/Middleware/PrettyExceptions.php(67): Slim\Middleware\MethodOverride->call()#8 /var/www/org.graceproclaimed/app/vendor/slim/slim/Slim/Slim.php(1300): Slim\Middleware\PrettyExceptions->call()#9 /var/www/org.graceproclaimed/app/bootstrap.php(5): Slim\Slim->run()#10 /var/www/org.graceproclaimed/public/index.php(5): require_once('...')#11 {main}