diff --git a/nemoguardrails/actions/llm/generation.py b/nemoguardrails/actions/llm/generation.py
index 2a57e1c26..cd11e70a7 100644
--- a/nemoguardrails/actions/llm/generation.py
+++ b/nemoguardrails/actions/llm/generation.py
@@ -137,7 +137,7 @@ async def init(self):
             self._init_flows_index(),
         )
 
-    def _extract_user_message_example(self, flow: Flow):
+    def _extract_user_message_example(self, flow: Flow) -> None:
         """Heuristic to extract user message examples from a flow."""
         elements = [
             item
diff --git a/nemoguardrails/tracing/interaction_types.py b/nemoguardrails/tracing/interaction_types.py
index 51f77bdbd..3fa57a074 100644
--- a/nemoguardrails/tracing/interaction_types.py
+++ b/nemoguardrails/tracing/interaction_types.py
@@ -78,6 +78,6 @@ def extract_interaction_log(
     return InteractionLog(
         id=interaction_output.id,
         activated_rails=generation_log.activated_rails,
-        events=generation_log.internal_events,
+        events=generation_log.internal_events or [],
         trace=spans,
     )
diff --git a/nemoguardrails/tracing/span_extractors.py b/nemoguardrails/tracing/span_extractors.py
index 637f754f9..cca40024f 100644
--- a/nemoguardrails/tracing/span_extractors.py
+++ b/nemoguardrails/tracing/span_extractors.py
@@ -59,7 +59,7 @@ def extract_spans(
         self, activated_rails: List[ActivatedRail]
     ) -> List[Union[SpanLegacy, SpanOpentelemetry]]:
         """Extract v1 spans from activated rails."""
-        spans: List[SpanLegacy] = []
+        spans: List[Union[SpanLegacy, SpanOpentelemetry]] = []
         if not activated_rails:
             return spans
 
@@ -165,9 +165,9 @@ def __init__(
 
     def extract_spans(
         self, activated_rails: List[ActivatedRail]
-    ) -> List[Union[SpanLegacy, SpanOpentelemetry, TypedSpan]]:
+    ) -> List[Union[SpanLegacy, SpanOpentelemetry]]:
         """Extract v2 spans from activated rails with OpenTelemetry attributes."""
-        spans: List[TypedSpan] = []
+        spans: List[Union[SpanLegacy, SpanOpentelemetry]] = []
         ref_time = activated_rails[0].started_at or 0.0
 
         interaction_span = InteractionSpan(
@@ -219,17 +219,11 @@ def extract_spans(
                         for k, v in (action.action_params or {}).items()
                         if isinstance(v, (str, int, float, bool))
                     },
-                    error=True if hasattr(action, "error") and action.error else None,
-                    error_type=(
-                        type(action.error).__name__
-                        if hasattr(action, "error") and action.error
-                        else None
-                    ),
-                    error_message=(
-                        str(action.error)
-                        if hasattr(action, "error") and action.error
-                        else None
-                    ),
+                    # TODO: There is no error field in ExecutedAction. The fields below are defined on BaseSpan but
+                    #  will never be set if using an ActivatedRail object to populate an ActivatedRail object.
+                    error=None,
+                    error_type=None,
+                    error_message=None,
                 )
                 spans.append(action_span)
 
diff --git a/nemoguardrails/tracing/tracer.py b/nemoguardrails/tracing/tracer.py
index b00c822cf..5a431e9c2 100644
--- a/nemoguardrails/tracing/tracer.py
+++ b/nemoguardrails/tracing/tracer.py
@@ -66,6 +66,10 @@ def generate_interaction_log(
         if generation_log is None:
             generation_log = self._generation_log
 
+        # At this point generation_log should not be None since it comes from self._generation_log
+        if generation_log is None:
+            raise Exception("Can't generate interaction log without Generation log")
+
         interaction_log = extract_interaction_log(
             interaction_output,
             generation_log,