If your timesheet shows a validation error, you may or may not be able to submit the timesheet, depending on your timesheet settings.
Typically, in either case, you should fix the error. The validation message should give you details of the validation error you need to fix.
These are the common error types:
Once you’ve fixed the error, you can click the button, and the validation message should go away.
If you’re still having trouble submitting your timesheet, contact your supervisor.