The application could not run because of the following error:
#0 [internal function]: App\Controller\ProductController->showItem(Object(Slim\Http\Request), Object(Slim\Http\Response), Array) #1 /home/euromatic/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(41): call_user_func(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array) #2 /home/euromatic/vendor/slim/slim/Slim/Route.php(335): Slim\Handlers\Strategies\RequestResponse->__invoke(Array, Object(Slim\Http\Request), Object(Slim\Http\Response), Array) #3 /home/euromatic/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response)) #4 /home/euromatic/vendor/slim/slim/Slim/Route.php(313): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response)) #5 /home/euromatic/vendor/slim/slim/Slim/App.php(495): Slim\Route->run(Object(Slim\Http\Request), Object(Slim\Http\Response)) #6 /home/euromatic/vendor/oscarotero/psr7-middlewares/src/Middleware/TrailingSlash.php(63): Slim\App->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response)) #7 [internal function]: Psr7Middlewares\Middleware\TrailingSlash->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App)) #8 /home/euromatic/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(Psr7Middlewares\Middleware\TrailingSlash), Array) #9 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App)) #10 /home/euromatic/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App)) #11 /home/euromatic/src/App/Middleware/DataMiddleware.php(33): Slim\App->Slim\{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response)) #12 [internal function]: App\Middleware\DataMiddleware->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #13 /home/euromatic/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(App\Middleware\DataMiddleware), Array) #14 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #15 /home/euromatic/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #16 /home/euromatic/src/App/Middleware/CustomerMiddleware.php(51): Slim\App->Slim\{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response)) #17 [internal function]: App\Middleware\CustomerMiddleware->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #18 /home/euromatic/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(App\Middleware\CustomerMiddleware), Array) #19 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #20 /home/euromatic/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #21 /home/euromatic/src/App/Middleware/PostMiddleware.php(32): Slim\App->Slim\{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response)) #22 [internal function]: App\Middleware\PostMiddleware->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #23 /home/euromatic/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(App\Middleware\PostMiddleware), Array) #24 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #25 /home/euromatic/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #26 /home/euromatic/src/App/Middleware/LanguageMiddleware.php(146): Slim\App->Slim\{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response)) #27 [internal function]: App\Middleware\LanguageMiddleware->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #28 /home/euromatic/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(App\Middleware\LanguageMiddleware), Array) #29 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #30 /home/euromatic/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Closure)) #31 /home/euromatic/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim\{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response)) #32 /home/euromatic/vendor/slim/slim/Slim/App.php(388): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response)) #33 /home/euromatic/vendor/slim/slim/Slim/App.php(296): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response)) #34 /home/euromatic/public_html/index.php(47): Slim\App->run() #35 {main}