diff --git a/litellm/proxy/common_utils/callback_config_validation.py b/litellm/proxy/common_utils/callback_config_validation.py
index 5931a8a8e01..c2be11ccc08 100644
--- a/litellm/proxy/common_utils/callback_config_validation.py
+++ b/litellm/proxy/common_utils/callback_config_validation.py
@@ -193,20 +193,30 @@ def cross_entry_family_error(
     )
 
 
+def _conflicting_option_error(var: str, incoming: str, stored_vars_by_entry: Sequence[Mapping[str, str]]) -> str | None:
+    return next(
+        (
+            f"{var} is already set to {stored!r} by another callback entry. "
+            f"Every entry shares one value: remove that entry or send the same value."
+            for entry in stored_vars_by_entry
+            if (stored := entry.get(var)) not in (None, incoming)
+        ),
+        None,
+    )
+
+
 def conflicting_shared_option_error(
     callback_vars: Mapping[str, str] | None,
     stored_vars_by_entry: Sequence[Mapping[str, str]],
 ) -> str | None:
     if not callback_vars:
         return None
+    incoming_by_var: Final = {var: callback_vars[var] for var in _SHARED_OPTION_VARS if var in callback_vars}
     return next(
         (
-            f"{var} is already set to {stored!r} by another callback entry. "
-            f"Every entry shares one value: remove that entry or send the same value."
-            for var in _SHARED_OPTION_VARS
-            if (incoming := callback_vars.get(var)) is not None
-            for entry in stored_vars_by_entry
-            if (stored := entry.get(var)) not in (None, incoming)
+            error
+            for var, incoming in incoming_by_var.items()
+            if (error := _conflicting_option_error(var, incoming, stored_vars_by_entry)) is not None
         ),
         None,
     )
diff --git a/ui/litellm-dashboard/src/lib/http/schema.d.ts b/ui/litellm-dashboard/src/lib/http/schema.d.ts
index df968e0bc9f..b5080536c71 100644
--- a/ui/litellm-dashboard/src/lib/http/schema.d.ts
+++ b/ui/litellm-dashboard/src/lib/http/schema.d.ts
@@ -17402,6 +17402,7 @@ export interface paths {
          *         - langfuse_host: The host for the Langfuse callback
          *         - langfuse_environment: The tracing environment for the Langfuse callback (lowercase; falls back to LANGFUSE_TRACING_ENVIRONMENT)
          *         - langfuse_span_scope: For langfuse_otel, "full" (default) sends the whole request trace, "llm_only" sends only the model-call spans
+         *         - capture_message_content: For the OTel v2 callbacks (langfuse_otel, arize, weave_otel, newrelic), "no_content" strips prompt and response content from this team's exported spans, "span_only" keeps whatever the global capture policy collects. Omitted behaves like "span_only". It only narrows: a team gets content only when the proxy's global OTel v2 capture is enabled
          *         - gcs_bucket_name: The name of the GCS bucket
          *         - gcs_path_service_account: The path to the GCS service account
          *         - langsmith_api_key: The API key for the Langsmith callback