id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
13465	Error is thrown and widget is lost when DnD if it's the only content of editor	Piotrek Koszuliński	Tade0	"1. Open the placeholder sample.
2. Clear all contents.
3. Insert one placeholder.
4. Try to DnD it.

An error is thrown and the placeholder disappears.

Reproduced on Chrome and FF."	Bug	closed	Normal	CKEditor 4.5.3	General	4.5.0	fixed