RailsAdmin and Devise

Add Rails Admin
Add Devise
Add Custom return/password_update form for Company admin.
"HOW CAN YOU CHANGE THE MIGRATION?"  thats the BIG question, that migration has already ran on my machine. thts why i am facing the error above.
You have to create a new migration or you can simply set 'name' to empty string.
""!=null
Hope you got my point