Disabling "Use cookies" on a store will result in "Nullable object must have a value"

[tf-lait]

Which component is this issue related to?

Umbraco Commerce (Core)

Which Umbraco Commerce version are you using? (Please write the exact version, example: 10.1.0)

16.2.1

Bug summary

Steps to reproduce

Disable "Use cookies" on store and reload:

[mattbrailsford]

I've managed to replicate this and found the fix. This will be in the upcoming 16.3.0 release

[mattbrailsford]

It'll also be in upcoming 15.3.12