angular 2: Uncaught (in promise): TypeError: Cannot read property 'setParent' of null
<p>All of a sudden this error occurs in my component:</p>

<p>"Uncaught (in promise): TypeError: Cannot read property 'setParent' of null"</p>

<p>I will try to reproduce in a plunkr, in the meantime maybe someone can throw me some hints?</p>