Content Missing

I am working with umbraco 7.4.3 and I am facing the problem with the content of the page.I find the content of the page is missing after a day/or more and show the blank design.After I publish the content of the page again, it appear fine.Can anyone help me to know that why the content of the page is missing after approx. day and how I fix this issue.


This is a companion discussion topic for the original entry at https://our.umbraco.com/forum/81816-content-missing