Currently, when we create a new content type with the tool, the required attribute "title" is not created wich leads to an exception. 

How to reproduce : 

• Integrator
• Content types 
• Select the "modification" menu
• In the ribbon, click on the first "new" button
• Fill the required fields of the form
• Click OK
• Save & Restart 

The exception occured at this step unless if you create the "title" attribute (with the mandatory validator ) before saving.