Follow the instructions to resolve the problem:
Keep having to log back in?
Cookies are blocked by your device, your browser, or an extension. Gens de Confiance is unable to keep you logged in.
On your iPhone or iPad, go to Settings > Safari > Block cookies and choose your preferred setting
You can get additional instructions here:
Don't panic. You will receive an email to reset your password. If you no longer have access to your emails, opt for account recovery.