diff --git a/ui/litellm-dashboard/src/components/Settings/AdminSettings/HashicorpVault/HashicorpVault.tsx b/ui/litellm-dashboard/src/components/Settings/AdminSettings/HashicorpVault/HashicorpVault.tsx
index c96e16b2d5a..763a109f731 100644
--- a/ui/litellm-dashboard/src/components/Settings/AdminSettings/HashicorpVault/HashicorpVault.tsx
+++ b/ui/litellm-dashboard/src/components/Settings/AdminSettings/HashicorpVault/HashicorpVault.tsx
@@ -90,11 +90,17 @@ export default function HashicorpVault() {
     const fieldSchema = properties[fieldName];
     if (!fieldSchema) return null;
 
+    const rules =
+      fieldName === "vault_addr"
+        ? [{ type: "url" as const, message: "Please enter a valid URL" }]
+        : undefined;
+
     return (
       <Form.Item
         key={fieldName}
         name={fieldName}
         label={FIELD_LABELS[fieldName] ?? fieldName}
+        rules={rules}
       >
         {SENSITIVE_FIELDS.has(fieldName) ? (
           <Input.Password placeholder={fieldSchema?.description} />
diff --git a/ui/litellm-dashboard/src/components/networking.tsx b/ui/litellm-dashboard/src/components/networking.tsx
index f853e3592cd..1dd5b5f2c60 100644
--- a/ui/litellm-dashboard/src/components/networking.tsx
+++ b/ui/litellm-dashboard/src/components/networking.tsx
@@ -9697,7 +9697,8 @@ export const updateHashicorpVaultConfig = async (
   });
   if (!response.ok) {
     const errorData = await response.json();
-    const errorMessage = deriveErrorMessage(errorData);
+    const raw = deriveErrorMessage(errorData);
+    const errorMessage = typeof raw === "string" ? raw : JSON.stringify(raw);
     throw new Error(errorMessage);
   }
   const data = await response.json();