In the below URL, the discount code is not applying again, the discount code is available in the parameter but does not apply automatically.
https://yourstore.com/checkouts/cn/c1-0f25e16e43ad8eca5558d9a4b1c6c703/information?discount=FLITS_1_13667_3253024456782_1683895332
Any help would be great for us.