Steps to replicate

1. Create a page in confluence
2. Add attachment in the page
3. Save the page
4. After that click edit page
5. Add the wording Test
6. Highlight the word test and click insert link > Files > Choose the attachment you upload on the 2nd step > Save
7. Publish the page
8. After that export the page to word Export to Word

Observed Behaviour

Expected Behaviour

The page is exported to word without any error.

Workaround

Unlink the sentences which link to an attachment