diff --git a/numalogic/udfs/postprocess.py b/numalogic/udfs/postprocess.py
index 36af8195..1d44b9fd 100644
--- a/numalogic/udfs/postprocess.py
+++ b/numalogic/udfs/postprocess.py
@@ -207,6 +207,7 @@ def exec(self, keys: list[str], datum: Datum) -> Messages:
             y_features=y_features,
             y_unified=y_unified,
             a_features=a_features.tolist(),
+            artifact_versions=payload.artifact_versions,
             execution_time_secs=round(time.perf_counter() - _start_time, 4),
         )
 
diff --git a/numalogic/udfs/preprocess.py b/numalogic/udfs/preprocess.py
index ee1cec8f..d91de0ba 100644
--- a/numalogic/udfs/preprocess.py
+++ b/numalogic/udfs/preprocess.py
@@ -179,7 +179,6 @@ def exec(self, keys: list[str], datum: Datum) -> Messages:
             _increment_counter(SOURCE_COUNTER, labels=("config", *_metric_label_values))
             preproc_clf = self._load_model_from_config(_conf.numalogic_conf.preprocess)
             payload = replace(payload, status=Status.ARTIFACT_FOUND)
-            logger = logger.bind(model_from_config=preproc_clf)
         try:
             x_scaled = self.compute(model=preproc_clf, input_=payload.get_data())
 
diff --git a/numalogic/udfs/tools.py b/numalogic/udfs/tools.py
index b5541db4..83075f59 100644
--- a/numalogic/udfs/tools.py
+++ b/numalogic/udfs/tools.py
@@ -295,7 +295,7 @@ def ack_insufficient_data(self, key: KEYS, uuid: str, train_records: int) -> boo
                 key=key,
             )
             return False
-        _struct_log.debug("Acknowledging insufficient data for the key", uuid, key)
+        _struct_log.debug("Acknowledging insufficient data for the key", uuid=uuid, key=key)
         return True
 
     def ack_read(
diff --git a/numalogic/udfs/trainer/_base.py b/numalogic/udfs/trainer/_base.py
index 8ab91cd3..c71b3759 100644
--- a/numalogic/udfs/trainer/_base.py
+++ b/numalogic/udfs/trainer/_base.py
@@ -79,6 +79,7 @@ def compute(
         trainer_transform: Optional[artifact_t] = None,
         threshold_clf: Optional[artifact_t] = None,
         numalogic_cfg: Optional[NumalogicConf] = None,
+        logger=None,
     ) -> dict[str, KeyedArtifact]:
         """
         Train the model on the given input data.
@@ -128,7 +129,8 @@ def compute(
 
         if threshold_clf:
             threshold_clf.fit(train_reconerr)
-            _struct_log.debug("Fit data using threshold model")
+            if logger:
+                logger.debug("Fit data using threshold model")
             dict_artifacts["threshold_clf"] = KeyedArtifact(
                 dkeys=[numalogic_cfg.threshold.name],
                 artifact=threshold_clf,
@@ -255,6 +257,7 @@ def exec(self, keys: list[str], datum: Datum) -> Messages:
             trainer_transform=trainer_transform,
             threshold_clf=thresh_clf,
             numalogic_cfg=_conf.numalogic_conf,
+            logger=logger,
         )
         # Save artifacts
 
diff --git a/tests/udfs/test_trainer.py b/tests/udfs/test_trainer.py
index 2eb14f79..86e19d52 100644
--- a/tests/udfs/test_trainer.py
+++ b/tests/udfs/test_trainer.py
@@ -425,6 +425,15 @@ def test_TrainMsgDeduplicator_exception_1(self):
         train_dedup.ack_insufficient_data([*self.keys, "pipeline1"], "some-uuid", train_records=180)
         self.assertLogs("RedisError")
 
+    @patch("redis.Redis.hset", Mock(side_effect=mock_druid_fetch_data()))
+    def test_TrainMsgDeduplicator_insufficent_data(self):
+        with self.assertLogs(level="DEBUG") as log:
+            train_dedup = TrainMsgDeduplicator(REDIS_CLIENT)
+            train_dedup.ack_insufficient_data(
+                [*self.keys, "pipeline1"], "some-uuid", train_records=180
+            )
+        self.assertLogs("Acknowledging insufficient data for the key", log.output[-1])
+
     @patch("redis.Redis.hgetall", Mock(side_effect=RedisError))
     def test_TrainMsgDeduplicator_exception_2(self):
         train_dedup = TrainMsgDeduplicator(REDIS_CLIENT)