Help with my Cesium account / Message en boucle "Veuillez Patientez..."

Good evening, I have a problem with my connection to my cesium account. Since I created it, I can not connect to it. When I try, it marks me "please wait ..." without me going any further or going back. When I leave the application and restart, I have a message that tells me that my account is inactive. I said: I already check that my key corresponded to my ID and CDM when I return on Cesium

Thanking you for your help

Axel