diff --git a/docs/4. Product Features/10. Others/HSM Template Message Error.md b/docs/4. Product Features/10. Others/HSM Template Message Error.md
index 1d8317101..99bc8d250 100644
--- a/docs/4. Product Features/10. Others/HSM Template Message Error.md
+++ b/docs/4. Product Features/10. Others/HSM Template Message Error.md
@@ -1,4 +1,12 @@
-> ### **5 minute read `Beginner`**
+
+
+
+ | 10 minutes read |
+ Level: Beginner |
+ Last Updated: January 2026 |
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+
+
## Troubleshooting HSM Message Errors
@@ -23,3 +31,18 @@ When this error message appears, check if the WhatsApp app is installed and in u
3)**Message Undeliverable**:
Unable to deliver message to the end-user and there are various reason on this please read [here](https://developers.facebook.com/docs/whatsapp/cloud-api/support/error-codes/)
+
+4)**Message was not delivered to maintain healthy ecosystem engagement:**
+
+This error occurs when a message is not delivered to maintain healthy ecosystem engagement. Meta applies frequency capping, which limits the number of High-Quality Service Messages (HSMs) a user can receive on WhatsApp within a certain period.
+
+**Key points:**
+
+- The message is dynamically blocked by Meta if the user has reached the capped limit.
+
+- Simply resending the same template immediately may trigger the same error. Wait at least 24 hours before retrying.
+
+- For details on WhatsApp’s frequency capping rules, see [Gupshup Blog: All You Need to Know About WhatsApp Frequency Capping](https://www.gupshup.ai/resources/blog/all-you-need-to-know-about-whatsapp-business-api-frequency-capping/) and check the
+ [Per-User Marketing Template Message Limits](https://developers.facebook.com/documentation/business-messaging/whatsapp/support/error-codes)
+
+