accept or reject changes in Word fail

I worked in LibreOffice with recording changes. I saved it in docx. When I open it with Word, I see the changes, but I can’t accept or reject them.

I’ve done more than 30 document like this, but I’ve not seen it before. It worked fine all the time. That’s something new, and I can’t do anything to solve it. There isn’t any lock or restriction. If I open a new document, and do the same (recording changes in LibreOffice and then open with Word), there isn’t any problem. So the problem is only with 1 document.

I use Win7, LibreOffice 6.2.0.3 (x64) and Word 2007.

Well - it looks like a bug report is required, with the offending document attached, to be able to reproduce and work with something. Otherwise, this looks impossible to reproduce?

Thank you, I send it on bugzilla too. I hope they could help me, because it’s more than 300 pages and 5-day work.