Backup Abort: A hard link was found under User username's path

[youyoums]

I have updated the directadmin to latest Version 1.513，and the centos 7 is also updated，when i want to backup my website,I've just received a New Message from Directadmin, entitled as "Backup Abort(4): A hard link was found under User username's path".
/home/username/domains/xxxxxxxxxxxxxx.com/public_html/vendor/zendframework/zend-escaper/README.md
so,what should i do?

 

[zEitEr]

Hello,

Here is a guide on how to deal the error: https://help.directadmin.com/item.php?id=658 Please start with it. And let us know your results and whether or not you need more assistance.

 

[youyoums]

Thank you for the reply. But the items my area referring to are symlinks. For example, https://github.com/zendframework/zend-escaper/blob/master/doc/book/index.md.