Error 3DEXPERIENCE: Connection with 3DEXPERIENCE 3DSpace service failed. How to solve it?

Hello everybody!

After updating my 3DEXPERIENCE Platform, this message appears and don't let me to use the Design with SOLIDWORKS application. Could you help me solve this problem, please? 
Edu 3DEXPERIENCE 

 

Thank you so much in advance, 

Best regards.