Send to Google Cloud MySql : "there was calculation error"

Dear team,
i’m new on Parabola and Google Cloud MySQL
i created a Database on Goggle Cloud, using public IP, API enabled…

i can connect with MySql Workbench.

I use same parameters when i create mySql connection in Parabola
Host name = IP
Usernam and password (ok)
database = demo_db
Port = 3306

But i receive error message
" Settings error"
"There was a calculation error in “Send to MySql”

Can you help me ?