Controllers/api/v2/boost/fetch/campaigns.php

@@ -62,6 +62,10 @@ class campaigns implements Interfaces\Api
         $cacheKey = Core\Session::getLoggedinUser()->guid . ':boost-offset-rotator:' . $type;
         $offset = $cacher->get($cacheKey);
 
+        if (!$offset) {
+            $offset = 0;
+        }
+
         // Options specific to newly created users (<=1 hour) and iOS users
 
         if ($platform === 'ios') {
@@ -77,8 +81,6 @@ class campaigns implements Interfaces\Api
 
         $data = [];
 
-        $offset = null;
-
         try {
             $result = $manager->fetch([
                 'limit' => $limit,