Created attachment 96050 [details]
Nested Table is being created when there is no Nesting.
Which in turns leads to Tag mismatch as the outer table is not closed.
Rajashri committed a patch related to this issue.
It has been pushed to "master":
fdo#76361 : LO crash: LO crashes while saving the document to docx
The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
Affected users are encouraged to test the fix and report feedback.
No crash, tested using Mac OSX 10.9 with LibreOffice Version: 188.8.131.52.alpha0+
Build ID: aeab0183e86fe011d32058864c02b2de4da32dc9
TinderBox: MacOSX-x86@49-TDF, Branch:master, Time: 2014-03-24_05:49:57