Confirmation link points to 404

Hi guys, I have some issues with the email confirmation link. Email is sent properly, but after the user clicks, the account is confirmed, but we end up on 404.

link from email:
https://eu-api.backendless.com/593F33D2-6614-7EF7-FFCA-C65EFAA3FD00/343AF879-84FE-402F-B0E0-68F65745A5C4/eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhcHBJZCI6IjU5M0YzM0QyLTY2MTQtN0VGNy1GRkNBLUM2NUVGQUEzRkQwMCIsImV4cCI6MTY4NzE2NzgwNSwidXNlcklkIjoiNTVDMjY2NTgtMDc1RS00NTNELUI3NUEtNjNDNzY0QTg1NENBIn0.U8LuQhe9ZtoY5wZ5MYurh8OIr-uzT5vyMcuUQhPS9Qg/users/confirmation

The final link in the web browser:
https://eu.backendlessappcontent.com/593F33D2-6614-7EF7-FFCA-C65EFAA3FD00/343AF879-84FE-402F-B0E0-68F65745A5C4/files/web/system/index.html?page=confirmation-confirmed

Is there any special element that should be seated up for this to work? I am still in the development phase.

app id: 593F33D2-6614-7EF7-FFCA-C65EFAA3FD00593F33D2-6614-7EF7-FFCA-C65EFAA3FD00

Solved by publishing the system container.