diff --git a/xyz/openbmc_project/Common.errors.yaml b/xyz/openbmc_project/Common.errors.yaml
index 288aa7c..c59f7fc 100644
--- a/xyz/openbmc_project/Common.errors.yaml
+++ b/xyz/openbmc_project/Common.errors.yaml
@@ -16,3 +16,5 @@
   description: The resource is not found.
 - name: Unavailable
   description: The service is temporarily unavailable.
+- name: UnsupportedRequest
+  description: The request is unsupported.
diff --git a/xyz/openbmc_project/Common.metadata.yaml b/xyz/openbmc_project/Common.metadata.yaml
index a90da83..f4c3bdd 100644
--- a/xyz/openbmc_project/Common.metadata.yaml
+++ b/xyz/openbmc_project/Common.metadata.yaml
@@ -23,3 +23,8 @@
   level: INFO
 - name: ResourceNotFound
   level: INFO
+- name: UnsupportedRequest
+  level: INFO
+  meta:
+    - str: "REASON=%s"
+      type: string