Word - Table issues

I have a Word template that’s used by multiple people each week. It contains standard formatting elements that users can fill out or delete as needed, including an optional table element. Users typically have tracked changes turned on from the start, and the documents go through several rounds of review by different people before being finalized. We're using M365, drafts are all saved as .docx between users, and they should be starting from a clean template every time. 

Recently, some team members have encountered a serious issue that I have been unable to recreate on my own:

- When they try to edit the table (especially near the end of the review process), the entire table and all content after it deletes itself (can't undo this). 

- If they try to accept the changes for the table or “Accept All Changes” in the document, Word crashes completely.

There’s no unusual formatting or macros in use, and nothing obvious stands out as a cause. We've only started experiencing this in the last few months, and there have been no changes to the templates or to our process. My current suspicion is that tracked changes and/or multiple users editing over time might be introducing corruption into the table. Has anyone else run into this behavior? Any insight into what might cause it or how to prevent it would be greatly appreciated