There are few tags which are reading 7min future timestamp in a pointsource coming from an application.(not all the tags)
Suggestions to rectify this.
Are the clocks on the PI server and the application server the same?
As Steve said, first point is to check the system time of the PI Server and the Application server. Secondly, check the datasource which send the data to PI has future timestamp.
However, I found a KB article which is somewhat relating to your issue,
3015OSI8 - Data 10 minutes in future of PI Server time is not archived
Retrieving data ...