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Sujit KarandeSujit Karande 

The page you submitted is invalid for your session. Please click save again to confirm your change

Hello, This question is already asked, But my question is something different.

According to me, the above error occurs when the user is idle for some time (i,e standard expiry time of session) and tried to save an opportunity or anything in Salesforce.

So I would like to know is this error solves when user refresh the page?

And also what is the duration of the session?

Any help will be really appreciated.
 
Gokula KrishnanGokula Krishnan
Hi Sujit,

So I would like to know is this error solves when user refresh the page? - Yes, but changes not effect, you need to make the changes again.

And also what is the duration of the session? - Refer below
Reference:
https://success.salesforce.com/answers?id=90630000000DLEnAAO

Thanks..

If it helps you, please mark is as best answer, so it will be helpful for other developers.
Sandeep WaliaSandeep Walia
Hi Sujit,

You can go to Setup-> Session Settings to view the session security settings and session expiration time for your org. The timeout value can be updated to the values shown in the screenshot.
User-added image

Kindly refer this (https://developer.salesforce.com/docs/atlas.en-us.securityImplGuide.meta/securityImplGuide/admin_sessions.htm)link to know more about session settings in Salesforce.

Hope this helps,
Sandeep
SFDC_biSFDC_bi
Hello Sujit,

Even I face this issue today and I informed my users to refresh the browser, of course, they need to enter the details again in the respective page and after that, if you need to change session settings then go to Setup-> Session Settings to view the session security settings and session expiration time for your org.

Thanks