diff --git a/cortext/__init__.py b/cortext/__init__.py
index b7d0751e..ea9f6eb8 100644
--- a/cortext/__init__.py
+++ b/cortext/__init__.py
@@ -19,7 +19,7 @@
 
 
 # version must stay on line 22
-__version__ = "4.0.12"
+__version__ = "4.0.13"
 version_split = __version__.split(".")
 __spec_version__ = (
         (1000 * int(version_split[0]))
diff --git a/validators/task_manager.py b/validators/task_manager.py
index d2a10e33..b2133068 100644
--- a/validators/task_manager.py
+++ b/validators/task_manager.py
@@ -64,6 +64,8 @@ def choose_miner(self, synapse: ALL_SYNAPSE_TYPE):
         available_uids = []
         for uid in self.remain_resources:
             capacity = self.remain_resources.get(uid)
+            if capacity is None:
+                continue
             bandwidth = capacity.get(provider).get(model)
             if bandwidth is not None and bandwidth > 0:
                 # decrease resource by one after choosing this miner for the request.
diff --git a/validators/weight_setter.py b/validators/weight_setter.py
index 6d26c510..aec4a4e8 100644
--- a/validators/weight_setter.py
+++ b/validators/weight_setter.py
@@ -233,7 +233,6 @@ async def perform_synthetic_queries(self):
 
             batched_tasks, remain_tasks = self.pop_synthetic_tasks_max_100_per_miner(synthetic_tasks)
             while batched_tasks:
-                start_time = time.time()
                 await self.dendrite.aclose_session()
                 await asyncio.gather(*batched_tasks)
                 batched_tasks, remain_tasks = self.pop_synthetic_tasks_max_100_per_miner(remain_tasks)
@@ -562,8 +561,9 @@ async def process_queries_from_database(self):
             async with self.lock:
                 for uid_scores_dict, _, _ in resps:
                     for uid, score in uid_scores_dict.items():
-                        self.total_scores[uid] += score
-                        self.score_counts[uid] += 1
+                        if self.total_scores.get(uid) is not None:
+                            self.total_scores[uid] += score
+                            self.score_counts[uid] += 1
             bt.logging.info(f"current total score are {self.total_scores}")
             await self.update_and_refresh()