Description:
1.this issue is done at a time to changes of our documentation.
2.after the changes to our document it doesn't save in our folder/file.
3.when we want to save changes again that time save changes functionality is not working

Steps to Reproduce:
1. try to save changes of documents
2. after that check it saved or not 
3. at a which time this problem raise

Actual Results:
actual result is after the changes to our document we can't save it.

Expected Results:
after the changes the document it should be save.


Reproducible: Sometimes


User Profile Reset: No

Additional Info:
after the changes it should be saved in file but it doesn't work sometimes.