In the session log you find the exit reason listed as Document obsolete.
Exe Type Exe Version Server Started Timestamp Document Document Timestamp QlikView User Exit Reason Session Start Session Duration CPU spent (s) Bytes Received Bytes Sent Calls Selections Authenticated user Identifying user Client machine identification Serial number Client Type Client Build Version Secure Protocol Tunnel Protocol Server Port Client Address Client Port Cal Type Cal Usage Count Session
RLS64 12.20.20600.0 20180608T090750.000-0400 20180608T090820.000-0400 C:/Documents/data visualization.qvw 20160628T194449.000-0400 Document obsolete 20180608T090758.000-0400 0.000255 0.000000 0 0 27 0 SR5\Administrator SR5\Administrator 4ba959be-361f-4937-aa8e-1282f14dc76f Ajax QvIIS 12.20.20600.0 browser.msie illa/5.0 (windows nt 6.3 On Named User 3
This is caused by the QVW was reloaded while the user was using the document. The document doesn't have the " Refresh mode when document is Updated on Server" set to "Server performs refresh automatically without client actions."
This setting is located under Document Properties>> Server.
The " Refresh mode when document is Updated on Server" should be set to "Server performs refresh automatically without client actions."