From de00e07087565cfd6dadceef45dd6b08de324773 Mon Sep 17 00:00:00 2001
From: shlomota <73965390+shlomota@users.noreply.github.com>
Date: Fri, 13 Sep 2024 11:30:50 -0400
Subject: [PATCH] Fix misleading error when feature names are missing during
 inference (#10814)

---
 python-package/xgboost/core.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python-package/xgboost/core.py b/python-package/xgboost/core.py
index 8f6e560e4..dff608ce1 100644
--- a/python-package/xgboost/core.py
+++ b/python-package/xgboost/core.py
@@ -3129,7 +3129,7 @@ class Booster:
 
         if feature_names is None and self.feature_names is not None:
             raise ValueError(
-                "training data did not have the following fields: "
+                "data did not contain feature names, but the following fields are expected: "
                 + ", ".join(self.feature_names)
             )