Comment # 7 on bug 1121425 from Josef Reidinger

looks like there is some change in calling module from modules in ncurses
window manager. As it pass single argument and in return yast module think it
is CLI.

see

2019-01-10 14:13:43 <1> linux-9x6v(3261) [Interpreter] bin/y2start:62 Calling
YaST client bootloader
2019-01-10 14:13:43 <0> linux-9x6v(3261) [Interpreter] bin/y2start:62
(arguments: [""])

and

2019-01-10 14:13:44 <0> linux-9x6v(3261) [libscr] SCR.cc(SCRWrite2):67 Running
SCR::Write (2 args)  on SCR agent 0xf244a0
2019-01-10 14:13:44 <0> linux-9x6v(3261) [scr]
ScriptingAgent.cc(executeSubagentCommand):589
ScriptingAgent::executeSubagentCommand: Write
2019-01-10 14:13:44 <0> linux-9x6v(3261) [scr]
ScriptingAgent.cc(executeSubagentCommand):590 path: .dev.tty.stderr
2019-01-10 14:13:44 <0> linux-9x6v(3261) [scr]
ScriptingAgent.cc(executeSubagentCommand):591 arg: "This YaST2 module does not
support the command line interface."
2019-01-10 14:13:44 <0> linux-9x6v(3261) [scr]
ScriptingAgent.cc(executeSubagentCommand):592 opt: null
2019-01-10 14:13:44 <0> linux-9x6v(3261) [libycp] parser.yy(yyparse):403