I've had to add :registrationable to allow editing of passwords etc

Althouth I need to remove the routes for sign_up.

app/models/user.rb

@@ -1,5 +1,5 @@
 class User < ApplicationRecord
   # Include default devise modules. Others available are:
   # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
-  devise :database_authenticatable, :recoverable, :rememberable, :validatable, :lockable, :timeoutable, :trackable
+  devise :database_authenticatable, :recoverable, :rememberable, :validatable, :lockable, :timeoutable, :trackable, :registerable
 end