Create a User don´t work

[spacepcde]

ErrorException (E_NOTICE)
Trying to get property 'id' of non-object

[Chinaru1]

this has not been answered please i need an answer to this

[pxmmpd]

Is your query returning array or object? If you dump it out, you might find that it's an array and all you need is an array access ([]) instead of an object access (->).
trying to like this $article->poster['name']