CreateTOC NullReferenceException

[camus0109]

NPOI Version

2.8.0

File Type

• XLSX
• XLS
• DOCX
• XLSM
• OTHER

Upload the Excel File

Please attach your original Excel File to help us reproduce the issue

can't gen word

Reproduce Steps

try
document.CreateTOC();
can't create toc

Issue Description

System.NullReferenceException HResult=0x80004003 Message=Object reference not set to an instance of an object. Source=NPOI.OOXML StackTrace: 在 NPOI.XWPF.UserModel.XWPFDocument.CreateTOC()

[tonyqus]

Can you provide the complete reproduce code?