From 5e4023f1d1d64862f36fceef7597e8ae875ac442 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Fily?= <jeremy.fily+github@gmail.com>
Date: Sat, 8 Jun 2024 14:32:07 +0200
Subject: [PATCH] Fix problem when deleting an entry on a populated Map

---
 lib/types/map.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/types/map.js b/lib/types/map.js
index d63cd403523..dd88de8ed59 100644
--- a/lib/types/map.js
+++ b/lib/types/map.js
@@ -119,7 +119,7 @@ class MongooseMap extends Map {
           v.$__.wasPopulated = { value: v._id };
           return v;
         });
-      } else {
+      } else if (value) { // Fix when using delete method because the value is undefined
         if (value.$__ == null) {
           value = new populated.options[populateModelSymbol](value);
         }