Yast 'HTTP Server' startup: "Internal error - yast.rb: Component cannot import namespace 'HTTPDData'

when I run ‘HTTP Server’ in Yast, it reports: "Internal error. … Caller: /usr/lib64&ruby/vendor_ruby/2.6.0/yast/yast.rb:186in ‘import_pure’ Details: component cannot import namespace ‘HTTPDData’. y2log . Other Yast modules seem to work. I’ve dup’ed recently. No related repos added. Ideas what might be wrong? I’ve Xampp installed in /opt, could that affect this? (Xampp is working, but going to configure Apache so I wouldn’t need that).

Deps seem fine:

$ sudo zypper verify
Dependencies of all installed packages are satisfied.

I’ve installed the lamp_server pattern as zypper shows:

i+ | lamp_server   | Web and LAMP Server               | pattern

Since all here works as expected, both on my laptop and VPS, I suspect Xampp to be the culprit, yes. The lamp-server pattern should be enough to have an apache server up and running with php and mysql …