diff --git a/_data/numerics.yaml b/_data/numerics.yaml
index 46048ab..1033bfc 100644
--- a/_data/numerics.yaml
+++ b/_data/numerics.yaml
@@ -2464,6 +2464,16 @@ values:
             Used when a message is being sent to a mask with an invalid
             syntax
 
+    -
+        name: ERR_MSGNEEDREGGEDNICK
+        numeric: "415"
+        origin: "Solanum, oftc-hybrid"
+        conflict: true
+        comment: >
+            Returned when an unregistered user sends a message to a 
+            channel that only accepts messages coming from users registered to 
+            services.
+
     -
         name: ERR_TOOMANYMATCHES
         numeric: "416"