crash on startup

[valvin1]

at 17d8915 on startup i get the following message :

D, [2018-02-21T20:11:32.314549 #14876] DEBUG -- : Program started
D, [2018-02-21T20:11:32.314613 #14876] DEBUG -- : entering Netindic::initialize
D, [2018-02-21T20:11:32.314637 #14876] DEBUG -- : entering Netindic::Portal::initialize
/var/lib/gems/2.3.0/gems/gobject-introspection-3.1.1/lib/gobject-introspection/loader.rb:296:in `invoke': invalid argument Hash (expect #<Class:0x000000041204b8>) (ArgumentError)
	from /var/lib/gems/2.3.0/gems/gobject-introspection-3.1.1/lib/gobject-introspection/loader.rb:296:in `block (2 levels) in load_constructor_infos'
	from /var/lib/gems/2.3.0/gems/gobject-introspection-3.1.1/lib/gobject-introspection/loader.rb:307:in `block in load_constructor_infos'
	from /opt/netdiag/netdiag/portal.rb:68:in `new'
	from /opt/netdiag/netdiag/portal.rb:68:in `interface'
	from /opt/netdiag/netdiag/portal.rb:13:in `initialize'
	from /opt/netdiag/netdiag/portal.rb:131:in `new'
	from /opt/netdiag/netdiag/portal.rb:131:in `initialize'
	from ./netindic.rb:34:in `block in initialize'
	from ./netindic.rb:259:in `queue'
	from ./netindic.rb:34:in `initialize'
	from ./netindic.rb:58:in `new'
	from ./netindic.rb:58:in `initialize'
	from ./netindic.rb:284:in `new'
	from ./netindic.rb:284:in `<main>'