Error

cannot be opened error xml line 0 : column :0 or some other line

If its line 0 try opening is with some other version: Office 2007, it will give the error place

use 7.zip file manager to look in to the zip file (Unzipping sometimes modify the files) {You may want to set notepad++ ad the default file viewr in the zip manager)

Go to word  > document.xml

Find the place with error

Delete the COMPLETE tag. (when start is seletcted end will auto highlight)

https://bhrnjica.net/2014/01/23/how-to-manually-fix-content-error-in-microsoft-word/

Update the file (zip)

open it using word