diff --git a/controller/integration.py b/controller/integration.py
index 954b2e3..03937f9 100644
--- a/controller/integration.py
+++ b/controller/integration.py
@@ -69,6 +69,9 @@ def fit_predict(
         )
 
     task_type, df = collect_data(project_id, labeling_task_id, True)
+    if len(df.index) == 0:
+        #nothing to calculate no values are present (e.g. source run through but didn't hit anything)
+        return
     try:
         if task_type == enums.LabelingTaskType.CLASSIFICATION.value:
             results = integrate_classification(df, quality_metrics_overwrite)
diff --git a/controller/stats.py b/controller/stats.py
index 275444d..343f557 100644
--- a/controller/stats.py
+++ b/controller/stats.py
@@ -146,6 +146,9 @@ def calculate_quantity_statistics_for_labeling_task_from_source(
     _, df = integration.collect_data(
         labeling_task_item.project_id, labeling_task_item.id, False
     )
+    if len(df.index) == 0:
+        #nothing to calculate if the source didn't hit anything
+        return
     if labeling_task_item.task_type == enums.LabelingTaskType.CLASSIFICATION.value:
         statistics = classification_quantity(df)
     else:
diff --git a/submodules/model b/submodules/model
index 5c96146..b57548f 160000
--- a/submodules/model
+++ b/submodules/model
@@ -1 +1 @@
-Subproject commit 5c96146323de5150450c192ba1583917bc53076d
+Subproject commit b57548f9e4a9cd3ed80991389d57ca989e9fa818