diff --git a/html/changelogs/AutoChangeLog-pr-20136.yml b/html/changelogs/AutoChangeLog-pr-20136.yml
new file mode 100644
index 00000000000..10ba3327d73
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+++ b/html/changelogs/AutoChangeLog-pr-20136.yml
@@ -0,0 +1,4 @@
+author: "Joan"
+delete-after: True
+changes: 
+  - bugfix: "Placing a singularity or energy ball generator directly in front of an active particle accelerator may be a bad idea."