Export to word fails when the page contains tables

Issue Summary

Export to word fails when the page contains tables ( happening randomly)

Steps to Reproduce

1. Create a page 
2. Add table
3. Export to word
4. Example page :https://testnarora.atlassian.net/wiki/spaces/DEMO/pages/12475891734/test+export+to+word

Expected Results

Export to word should work just fine

Actual Results

An error appears: We’ll be back in a flash...

Workaround

Export the page to pdf and convert to word