Slim Application Error

The application could not run because of the following error:

Details

Type: RuntimeException
Message: [{},"advertise"] is not resolvable
File: /var/www/html/vendor/slim/slim/Slim/CallableResolver.php
Line: 113

Trace

#0 /var/www/html/vendor/slim/slim/Slim/CallableResolver.php(61): Slim\CallableResolver->assertCallable()
#1 /var/www/html/vendor/slim/slim/Slim/CallableResolverAwareTrait.php(41): Slim\CallableResolver->resolve()
#2 /var/www/html/vendor/slim/slim/Slim/Route.php(276): Slim\Routable->resolveCallable()
#3 /var/www/html/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke()
#4 /var/www/html/vendor/slim/slim/Slim/Route.php(268): Slim\Route->callMiddlewareStack()
#5 /var/www/html/vendor/slim/slim/Slim/App.php(503): Slim\Route->run()
#6 /var/www/html/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->__invoke()
#7 /var/www/html/vendor/slim/slim/Slim/App.php(392): Slim\App->callMiddlewareStack()
#8 /var/www/html/vendor/slim/slim/Slim/App.php(297): Slim\App->process()
#9 /var/www/html/boostrap/app.php(66): Slim\App->run()
#10 /var/www/html/public/index.php(7): require('...')
#11 {main}