Crash on add to cart

[yasirmturk]

• Lunar version: 1.0.0-beta.5
• Laravel Version: 11.31.0
• PHP Version: 8.2.25
• Database Driver & Version: 10.6.20-MariaDB

Expected Behaviour:

Product should be added to the cart

Actual Behaviour:

Crash with ErrorException Attempt to read property "id" on null

Steps To Reproduce:

Product created with 1 variant, 1 product option (Size) and one option (Small), Add to Card on Product page

[yasirmturk]

Once this crash happens, the app goes to unstable state, and now even the home page is not loading and crashes

[yasirmturk]

Underlying reason for this crash is that, Tax Zone is not set in the admin.

So the checkout does not work without setting tax zone while it is an optional configuration