Slim Application Error

The application could not run because of the following error:

Details

Type: TypeError
Message: Argument 1 passed to App\Collection\Commissioni::fetchById() must be of the type integer, string given, called in /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/app/Controller/CommissioniController.php on line 78
File: /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/app/Collection/Commissioni.php
Line: 52

Trace

#0 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/app/Controller/CommissioniController.php(78): App\Collection\Commissioni::fetchById('commissioni@ord...')
#1 [internal function]: App\Controller\CommissioniController->activity(Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#2 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(41): call_user_func(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#3 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/Route.php(335): Slim\Handlers\Strategies\RequestResponse->__invoke(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array)
#4 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))
#5 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/Route.php(313): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))
#6 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/App.php(495): Slim\Route->run(Object(Slim\Http\Request), Object(Slim\Http\Response))
#7 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/routes/web.php(29): Slim\App->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))
#8 [internal function]: Closure->{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App))
#9 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(Closure), Array)
#10 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App))
#11 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App))
#12 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/routes/web.php(48): Slim\App->Slim\{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response))
#13 [internal function]: Closure->{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure))
#14 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(Closure), Array)
#15 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure))
#16 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure))
#17 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim\{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response))
#18 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/App.php(388): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))
#19 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/vendor/slim/slim/Slim/App.php(296): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response))
#20 /var/www/vhosts/h441171.linp057.arubabusiness.it/ordinearchitetticaserta.it/index.php(37): Slim\App->run()
#21 {main}