Better management of errors

app/Main.php

@@ -100,7 +100,7 @@ class Main extends Controller {
                 if ($e->hasResponse()) {
                     $block_content .= print_r(Psr7\str($e->getResponse()));
                 }
-                $f3->set('block_content', $block_cntent);
+                $f3->set('block_content', $block_content);
             }
         }
     }