id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
12008	[Nested widgets] Error thrown when pasting widget with nested editable into nested editable	Olek Nowodziński		"Part of #10931.

There's an error thrown while pasting block Image2 widget into Simple Box
 {{{
Uncaught TypeError: Cannot read property 'filter' of undefined widget/plugin.js:2116
}}}
 followed by an avalanche of errors during the navigation."	Bug	confirmed	Normal		General	4.3 Beta