Update Queue.php

Author: VennDev

src/vennv/Queue.php

@@ -242,7 +242,7 @@ public function useCallableReject(mixed $result) : void
             } 
             catch (Throwable | Exception $error) 
             {
-                echo $error->getMessage();
+                // TODO: Error handler
             }
 
             $this->returnReject = $this->getResult($fiber);
@@ -509,4 +509,4 @@ public function hasCompletedAllPromises() : bool
         return $return;
     }
 
-}
+}