Ok I found the problem, this is due to Joomla redirect.
Login module have hidden field to set redirect (chosen from module parameter), when user is not logged it can't generate correct url because menu item "Mijn Talentboek" is accessible only for registered users.
How to solve
there are many way to solve this.
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Workaround 1: set this menu item as "Public" and set Article as "Registered", with this the system can generate correct URL. But in your site this is not good because you see this menu item on menu bar
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Workaround 2: you can create a hidden menu item, with public access of type System Link->External URL and put in URL this link "index.php?Itemid=122", after you can set this menu item as Redirect on Login in module parameter.
We have do it in your site, in hidden menu you can see menu item called "Redirect After Login"
Having taken note of this behavior, in next release we will return to the old method, so with next release the redirect set in Easy Profile Options will be forced and it will override all other configurations