diff --git a/data/checkpoints/checkpoint_20251030_115009.json b/data/checkpoints/checkpoint_20251030_115009.json
new file mode 100644
index 0000000..1ab66b0
--- /dev/null
+++ b/data/checkpoints/checkpoint_20251030_115009.json
@@ -0,0 +1,8 @@
+{
+  "checkpoint_id": "checkpoint_20251030_115009",
+  "timestamp": "20251030_115009",
+  "description": "1",
+  "tables": {
+    "business_scopes": [
+      {
+        "id": 
\ No newline at end of file
diff --git a/lawrisk/services/licensing_repo.py b/lawrisk/services/licensing_repo.py
index f40a4ec..66b3c25 100644
--- a/lawrisk/services/licensing_repo.py
+++ b/lawrisk/services/licensing_repo.py
@@ -438,7 +438,14 @@ def create_checkpoint(description: str = "") -> Dict[str, Any]:
 
     def json_serializer(obj):
         """Convert non-JSON serializable objects to strings."""
-        if hasattr(obj, 'isoformat'):  # UUID, datetime, etc.
+        try:
+            import uuid
+            if isinstance(obj, uuid.UUID):
+                return str(obj)
+        except ImportError:
+            pass
+
+        if hasattr(obj, 'isoformat'):
             return str(obj)
         raise TypeError(f"Object of type {type(obj)} is not JSON serializable")