Bulk product creation menu items lost when disabling and renabling bpc module

I had a commerce problem recently and in trying to track it down I disabled all the contributed commerce modules. However upon re-enabling the bulk product creation module the menu items that allow me to bulk add products for each product type that were under Store > Products > Bulk Add Products in the admin menu have disappeared. If I click on the Bulk Add Products menu item I get a page that says 'None of the product types you have created so far are available for bulk creation. In order to be avalable for bulk creation, a product type must have at least one field that supports it, such as a list field. Go to the manage product types page to add fields to your product types.'

I have tried adding new fields to my existing product types to try to force it to recreate the menu item but no joy. However, If I add a brand new product type then it does create a menu item for it as expected.