When trying to edit timesheet user is receiving error:
"Expired Request Alert: An expired request has been detected. Request has been canceled."
This can happen when too many tasks are added to the timesheet.
Up to 250 tasks may be added to a timesheet, however you could run into performance issues even with under 250 tasks.
In the SaaS environment you may see the error "Expired Request Alert: An expired request has been detected. Request has been canceled." when having over 150 tasks on your timesheet.
With this error you will not be able to edit the timesheet at all which includes deleting tasks.
Component : CA PPM SAAS TIME MANAGEMENT
Please contact support to have the tasks removed from the timesheet.