diff --git a/redfish-core/include/registries/openbmc_message_registry.hpp b/redfish-core/include/registries/openbmc_message_registry.hpp
index bb50b12..8896e64 100644
--- a/redfish-core/include/registries/openbmc_message_registry.hpp
+++ b/redfish-core/include/registries/openbmc_message_registry.hpp
@@ -312,6 +312,16 @@
                      {"string"},
                      "None.",
                  }},
+    MessageEntry{"CPUMismatch",
+                 {
+                     "Indicates that the specified CPU power/current "
+                     "rating is incompatible with the board.",
+                     "CPU %1 Mismatch.",
+                     "Critical",
+                     1,
+                     {"number"},
+                     "Install the supported CPU.",
+                 }},
     MessageEntry{"CPUThermalTrip",
                  {
                      "Indicates that the specified CPU thermal "