I need show Documents subpanel on Leads but when I create many-to-many relationship, the Lead crash


I cann’t understand why happens this. :S

I need show the documents subpanel on Lead sheet. I don’t know why doesn’t exist this relationship because it’s logical that a many leads could have many documents.

When i create a new relationship in documents: many documents to many leads, and I open a anyone Lead, the sheet crash. (view screenshot attached).

What do I do wrong? :dry: