The application could not run because of the following error:
#0 [internal function]: Site\ControllerEvent->getSingle(Object(Slim\Http\Request), Object(Slim\Http\Response), Array) #1 /home/institutofarmun/public_html/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(41): call_user_func(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array) #2 /home/institutofarmun/public_html/vendor/slim/slim/Slim/Route.php(356): Slim\Handlers\Strategies\RequestResponse->__invoke(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array) #3 /home/institutofarmun/public_html/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response)) #4 /home/institutofarmun/public_html/vendor/slim/slim/Slim/Route.php(334): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response)) #5 /home/institutofarmun/public_html/vendor/slim/slim/Slim/App.php(515): Slim\Route->run(Object(Slim\Http\Request), Object(Slim\Http\Response)) #6 /home/institutofarmun/public_html/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response)) #7 /home/institutofarmun/public_html/vendor/slim/slim/Slim/App.php(406): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response)) #8 /home/institutofarmun/public_html/vendor/slim/slim/Slim/App.php(314): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response)) #9 /home/institutofarmun/public_html/index.php(43): Slim\App->run() #10 {main}