The expenses claim must be validated. If there’s a problem with your claim, the validators will ask you to correct it. You’ll receive an email with a link the to the expenses claim: In the example above, the validators ask the participant to correct the claim in respect to the airplaine expense. The documents the participant already provided do not show the flight class.Click the link in the email to correct the claim. The Summary section of your claim opens: Scroll down to the section Expenses. The column Details displays the reason for the modification. Click Edit to make the changes. Click Modify for every line where you need to apply changes : Apply the changes, in this example upload the requested document by selecting a document type and pressing Upload file(s). Press Update. After updating all expenses for which modifications were requested, go to the Summary tab. Scroll down and click Submit expenses claim.