Cannot open any App

Hello, I cannot open any app. The 3D experience launcher works well but when I try to launch an app an error appears and I can’t fix it... Does anyone know how to fix this. I attached an image of the error.

Thank you in advance for your help.

Edu ​​​​​​​3DEXPERIENCE ​​​​​​​Authentication Error ​​​​​​​