Tumbleweed 20170825, dup'ed and up to date.

YAST seemingly has a missing dependency on libyui-ncurses-pkg8, causing certain YAST modules such as online update and software management when using ncurses interface to fail with;

UI Syntax Error                    
Couldn't load plug-in ncurses-pkg
Check the log file!

/var/log/YaST2/y2log contains;

2017-09-01 08:17:53 <1> narf.miuku.local(7505) [ui] YPath.cc(YPath):67 Looking for: libyui-ncurses-pkg.so.8
2017-09-01 08:17:53 <1> narf.miuku.local(7505) [ui] YPath.cc(lsDir):138 Looking in /usr/lib64/yui
2017-09-01 08:17:53 <1> narf.miuku.local(7505) [ui] YPath.cc(YPath):121 Could NOT find libyui-ncurses-pkg.so.8 by looking recursive inside /usr/l
ib64/yui
2017-09-01 08:17:53 <3> narf.miuku.local(7505) [ui] YUIPlugin.cc(YUIPlugin):50 Could not load UI plugin "ncurses-pkg": libyui-ncurses-pkg.so.8: c
annot open shared object file: No such file or directory
2017-09-01 08:17:53 <2> narf.miuku.local(7505) [ui] NCPackageSelectorPluginStub.cc(NCPackageSelectorPluginStub):53        THROW:    Couldn't load
 plug-in ncurses-pkg
2017-09-01 08:17:53 <2> narf.miuku.local(7505) [ui] YCP_UI.cc(OpenDialog):583     CAUGHT:   Couldn't load plug-in ncurses-pkg
2017-09-01 08:17:53 <3> narf.miuku.local(7505) [libycp] modules/PackagesUI.rb:315 UI::OpenDialog() failed

Installing libyui-ncurses-pkg8 triages the issue.

Surely ncurses interface should be functional even if X has been installed?