ContentTypeBinding Error - Object reference not set to an instance of an object

An error occurred binding content type '0x010100C568DB52D9D0A14D9B2FDCC96666E9F2007948130EC3DB064584E219954237AF3900...' to list '/ct2/Pages' on web 'http://pilatus/ct2'.  Exception 'Object reference not set to an instance of an object.'.

This exception occures when you try to bind an empty or non-existent content type to a list. An empty content type is a content type with no fields.

Example of an empty content type.
<ContentType ID="0x010100C568DB52D9D0A14.."   
  Name="Basic Page"
  Group="Custom.Pages"
  Description="Basic Page">
     <!-- here must be some fields -->
    <DocumentTemplate TargetName="/_layouts/CreatePage.aspx" />  </ContentType>

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