diff --git a/html/changelogs/AutoChangeLog-pr-12665.yml b/html/changelogs/AutoChangeLog-pr-12665.yml
new file mode 100644
index 00000000000..7761e78cf63
--- /dev/null
+++ b/html/changelogs/AutoChangeLog-pr-12665.yml
@@ -0,0 +1,4 @@
+author: "TDSSS"
+delete-after: True
+changes: 
+  - rscdel: "duplicate mecha definitions"