diff --git a/VKAPI/Handlers/Account.php b/VKAPI/Handlers/Account.php
index dd6cfa7b..a20c42be 100644
--- a/VKAPI/Handlers/Account.php
+++ b/VKAPI/Handlers/Account.php
@@ -66,6 +66,8 @@ final class Account extends VKAPIRequestHandler
 
     function getCounters(string $filter = ""): object
     {
+        $this->requireUser();
+        
         return (object) [
             "friends"       => $this->getUser()->getFollowersCount(),
             "notifications" => $this->getUser()->getNotificationsCount(),
diff --git a/VKAPI/Handlers/Likes.php b/VKAPI/Handlers/Likes.php
index 644646e5..9501b433 100644
--- a/VKAPI/Handlers/Likes.php
+++ b/VKAPI/Handlers/Likes.php
@@ -54,11 +54,7 @@ final class Likes extends VKAPIRequestHandler
             case "post":
                 $user = (new UsersRepo)->get($user_id);
                 if (is_null($user))
-                    return (object) [
-                        "liked"  => 0,
-                        "copied" => 0,
-                        "sex"    => 0
-                    ];
+                    $this->fail(100, "One of the parameters specified was missing or invalid: user not found");
 
                 $post = (new PostsRepo)->getPostById($owner_id, $item_id);
                 if (is_null($post))
diff --git a/VKAPI/Handlers/Polls.php b/VKAPI/Handlers/Polls.php
index 9036a02c..be947a44 100755
--- a/VKAPI/Handlers/Polls.php
+++ b/VKAPI/Handlers/Polls.php
@@ -75,7 +75,7 @@ final class Polls extends VKAPIRequestHandler
 
         try {
             $poll->vote($this->getUser(), explode(",", $answers_ids));
-            return 0;
+            return 1;
         } catch(AlreadyVotedException $ex) {
             return 0;
         } catch(PollLockedException $ex) {
@@ -97,7 +97,7 @@ final class Polls extends VKAPIRequestHandler
 
         try {
             $poll->revokeVote($this->getUser());
-            return 0;
+            return 1;
         } catch(PollLockedException $ex) {
             $this->fail(15, "Access denied: Poll is locked or isn't revotable");
         } catch(InvalidOptionException $ex) {