New portal error

[Zahra Nabi Zadeh]

I created an account in IRCC new portal. after that I generated an application, in the adding member page, I got the following error.
Unknown Error occurred.
We're sorry you ended up here. Try refreshing the page. If that doesn't work, you can:

• Report a technical problem by completing the Web form on the Contact Us page of our website.
• Make sure to include the error details listed below.
• Return to sign in.

Could any one help me?
Best regards,