Cannot add payment to invoices

For a week now, we are unable to add payments to any invoices!
Different laptops and phones have been tested, it is not a browser / pc issue.
Where can we get support for this?

Hello,

Thanks for reporting the problem. Our team is working on it, and the fix will be published within a couple of hours.

Best regards

The issue has been fixed. Can you please confirm on your end?

Thanks a lot, it is working now!

Can access the customers when i log in, it is covered by the tabs, how do we access