From c5da128356842999a653d38cd61d3f5c8d40a9a9 Mon Sep 17 00:00:00 2001
From: Jeremy Stretch <jstretch@netboxlabs.com>
Date: Fri, 6 Jun 2025 12:50:41 -0400
Subject: [PATCH] Fixes #19673: Ignore custom field references when compiling
 table prefetches

---
 netbox/netbox/tables/tables.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/netbox/netbox/tables/tables.py b/netbox/netbox/tables/tables.py
index 6f6b30af2..d9170aa3d 100644
--- a/netbox/netbox/tables/tables.py
+++ b/netbox/netbox/tables/tables.py
@@ -66,6 +66,9 @@ class BaseTable(tables.Table):
                 if column.visible:
                     model = getattr(self.Meta, 'model')
                     accessor = column.accessor
+                    if accessor.startswith('custom_field_data__'):
+                        # Ignore custom field references
+                        continue
                     prefetch_path = []
                     for field_name in accessor.split(accessor.SEPARATOR):
                         try: