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app/Server/Exceptions/NoFreePortAvailable.php

@@ -4,5 +4,4 @@ namespace App\Server\Exceptions;
 
 class NoFreePortAvailable extends \Exception
 {
-
 }

app/Server/Http/Controllers/ControlMessageController.php

@@ -130,6 +130,7 @@ class ControlMessageController implements MessageComponentInterface
                 ],
             ]));
             $connection->close();
+
             return;
         }
 

config/expose.php

@@ -166,7 +166,7 @@ return [
         */
         'tcp_port_range' => [
             'from' => 50000,
-            'to' => 60000
+            'to' => 60000,
         ],
 
         /*
@@ -251,7 +251,7 @@ return [
 
             'custom_subdomain_unauthorized' => 'You are not allowed to specify custom subdomains. Please upgrade to Expose Pro.',
 
-            'no_free_tcp_port_available' => 'There are no free TCP ports available on this server. Please try again later.'
+            'no_free_tcp_port_available' => 'There are no free TCP ports available on this server. Please try again later.',
         ],
     ],
 ];