NX10无法导出CAD图纸

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NX10在导出CAD DWG格式文件时出错，日志文件如下
Copyright 2015 Siemens Product Lifecycle Management Software Inc. All Rights Reserved.
This software and related documentation are proprietary to Siemens Product Lifecycle Management Software Inc.

Parts of the UG/Knowledge Fusion software have been provided by Heide
Corporation. Copyright (c) 1997 Heide Corporation. All Rights Reserved.

This product includes software developed by the Apache Software
Foundation (http://www.apache.org/).

This product includes the International Components for Unicode software
provided by International Business Machines Corporation and others.
Copyright (c) 1995-2001 International Business Machines Corporation and
others. All rights reserved.

Portions of this software are copyright (c) 2007 The FreeType Project
(www.freetype.org). All rights reserved.

Portions of this software are copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
Contact: http://www.qt-project.org/legal

Initializing Open C++ API...

Unigraphics NX V11.0 / 2D Exchange

Reading part: C:\Users\zhhl\Desktop\实验台方案\加载试验台\建模v1.0\加载杆.prt
Could not load the following components:

Error loading file: C:\Users\zhhl\Desktop\实验台方案\加载试验台\建模v1.0\加载杆.prt, status code = 69
Copyright 2015 Siemens Product Lifecycle Management Software Inc. All Rights Reserved.
This software and related documentation are proprietary to Siemens Product Lifecycle Management Software Inc.

Parts of the UG/Knowledge Fusion software have been provided by Heide
Corporation. Copyright (c) 1997 Heide Corporation. All Rights Reserved.

This product includes software developed by the Apache Software
Foundation (http://www.apache.org/).

This product includes the International Components for Unicode software
provided by International Business Machines Corporation and others.
Copyright (c) 1995-2001 International Business Machines Corporation and
others. All rights reserved.

Portions of this software are copyright (c) 2007 The FreeType Project
(www.freetype.org). All rights reserved.

Portions of this software are copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
Contact: http://www.qt-project.org/legal

Initializing UG/Open ....
Converting ...
UG/OPEN Error: File not found; C://TEMP\zhhl03A455CF1ens.prt


试了一下，导出igs格式也报错，记事本文件如下：
UG to IGES
! INFO-     NX V11.0 / IGES Specification 5.3
! INFO-      
! INFO-     Start of Translation: 19-APR-2020  10:19:13 PM
! INFO-      
! STATUS-   Converting Part: C:\Users\zhhl\Desktop\实验台方案\加载试验台\建模v1.0\加载杆.prt
! ERROR-     
! ERROR-    IM0541 The following error message(s) were returned from UG
! ERROR-           at part_load:
! ERROR-     
! ERROR-           C:\Users\zhhl\Desktop\实验台方案\加载试验台\建模v1.0\加载杆.prt
! ERROR-             -Standard C++ exception caught. See system log for details
! ERROR-     
! ERROR-    Unable to retrieve C:\Users\zhhl\Desktop\实验台方案\加载试验台\建模v1.0\加载杆.prt:
! ERROR-    Standard C++ exception caught. See system log for details
! ERROR-     
! ERROR-    IM0511 Processing input part failed for C:\Users\zhhl\Desktop\实验台方案\加载试验台\建模v1.0\加载杆.prt
! INFO-      
! INFO-     End of Translation: 19-APR-2020  10:19:15 PM
! INFO-      
UG to IGES
! INFO-     NX V11.0 / IGES Specification 5.3
! INFO-      
! INFO-     Start of Translation: 19-APR-2020  10:19:46 PM
! INFO-      
! STATUS-   Converting Part: C:\Users\zhhl\Desktop\实验台方案\加载试验台\建模v1.0\加载杆.prt
! ERROR-     
! ERROR-    IM0541 The following error message(s) were returned from UG
! ERROR-           at part_load:
! ERROR-     
! ERROR-           C:\Users\zhhl\Desktop\实验台方案\加载试验台\建模v1.0\加载杆.prt
! ERROR-             -Standard C++ exception caught. See system log for details
! ERROR-     
! ERROR-    Unable to retrieve C:\Users\zhhl\Desktop\实验台方案\加载试验台\建模v1.0\加载杆.prt:
! ERROR-    Standard C++ exception caught. See system log for details
! ERROR-     
! ERROR-    IM0511 Processing input part failed for C:\Users\zhhl\Desktop\实验台方案\加载试验台\建模v1.0\加载杆.prt
! INFO-      
! INFO-     End of Translation: 19-APR-2020  10:19:47 PM
! INFO-      

请问这是什么原因导致的？