Excel xml invalid at the top level of the document

Describes the cause and action for error messages.

Error Message(English)：
xml invalid at the top level of the document

Resolution

Ignoring XML DTD with Excel VBA - Mr. Excel
https://www.mrexcel.com/forum/excel-questions/1066216-ignoring-xml-dtd-excel-vba.html

Compiling Levmar using NMake (Visual Studio 2010) ? Ugly Duckling
https://uglyduckling.nl/blog/financial-engineering/compiling-levmar-using-nmake-visual-studio-2010/

Solved: Getting data out of a Nested Repeating Section - Nintex ...
https://community.nintex.com/t5/Nintex-for-SharePoint/Getting-data-out-of-a-Nested-Repeating-Section・・・