Edit button does not work

No Tax code data
and Create new Tax Code does not work either
Yes, can replicate the problem with Manager v21.4.4 and v21.4.5 on macOS Catalina Desktop and Ubuntu 20.04 TLS Server editions.
Fixed in the latest version (21.4.7)
Thank you, hope that the macOS Desktop version soon will be available as 21.4.7 as well.