---
description: "Learn more about: Fatal error C1251"
title: Fatal error C1251
ms.date: 10/04/2022
f1_keywords: ["C1251", "FATALERROR_UnableToLoadModel"]
helpviewer_keywords: ["C1251"]
ms.assetid: 0b46e0a5-c290-48d8-ba4e-f526ae68993b
---
# Fatal error C1251

> Unable to load models.

The Code Analysis tool reports this error when there's an internal error in the model file, not in the code being analyzed.