Slim Application Error

The application could not run because of the following error:

Details

Type: TypeError

Code: 0

Message: App_User\helpers::gerarSchemaJsonLD(): Argument #3 ($titulogp) must be of type string, null given, called in /home/fikante/public_html/App_User/Controllers/virtual_lista.php on line 358

File: /home/fikante/public_html/App_User/helpers.php

Line: 467

Trace

#0 /home/fikante/public_html/App_User/Controllers/virtual_lista.php(358): App_User\helpers::gerarSchemaJsonLD() #1 /home/fikante/public_html/App_User/routes.php(202): App_User\Controllers\virtual_lista->listaAnunciantesVirtual() #2 /home/fikante/public_html/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(39): {closure}() #3 /home/fikante/public_html/vendor/slim/slim/Slim/Routing/Route.php(362): Slim\Handlers\Strategies\RequestResponse->__invoke() #4 /home/fikante/public_html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(73): Slim\Routing\Route->handle() #5 /home/fikante/public_html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(73): Slim\MiddlewareDispatcher->handle() #6 /home/fikante/public_html/vendor/slim/slim/Slim/Routing/Route.php(321): Slim\MiddlewareDispatcher->handle() #7 /home/fikante/public_html/vendor/slim/slim/Slim/Routing/RouteRunner.php(74): Slim\Routing\Route->run() #8 /home/fikante/public_html/vendor/slim/slim/Slim/Middleware/RoutingMiddleware.php(45): Slim\Routing\RouteRunner->handle() #9 /home/fikante/public_html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(129): Slim\Middleware\RoutingMiddleware->process() #10 /home/fikante/public_html/vendor/slim/slim/Slim/Middleware/BodyParsingMiddleware.php(64): Psr\Http\Server\RequestHandlerInterface@anonymous->handle() #11 /home/fikante/public_html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(129): Slim\Middleware\BodyParsingMiddleware->process() #12 /home/fikante/public_html/vendor/slim/slim/Slim/Middleware/ErrorMiddleware.php(77): Psr\Http\Server\RequestHandlerInterface@anonymous->handle() #13 /home/fikante/public_html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(129): Slim\Middleware\ErrorMiddleware->process() #14 /home/fikante/public_html/vendor/slim/slim/Slim/MiddlewareDispatcher.php(73): Psr\Http\Server\RequestHandlerInterface@anonymous->handle() #15 /home/fikante/public_html/vendor/slim/slim/Slim/App.php(209): Slim\MiddlewareDispatcher->handle() #16 /home/fikante/public_html/vendor/slim/slim/Slim/App.php(193): Slim\App->handle() #17 /home/fikante/public_html/index.php(171): Slim\App->run() #18 {main}