Magento 2.2.6 coupon codes don't work anymore

[Cristiano81]

Preconditions

1. Magento 2.2.6
2. Cart price rule based on coupon code

Steps to reproduce

1. Create a cart price rule with specific coupon with date from 2018 to 2088
2. Try add the coupon to the cart

Expected result

1. The coupon has been successfull applied to the cart

Actual result

1. Every coupon code result invalid

[magento-engcom-team]

Hi @Cristiano81. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
• Expected and actual results

Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento-engcom-team give me $VERSION instance

where $VERSION is version tags (starting from 2.2.0+) or develop branches (for example: 2.3-develop).
For more details, please, review the Magento Contributor Assistant documentation.

@Cristiano81 do you confirm that you was able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

[Cristiano81]

In 2.2.5 the coupon code work

[Cristiano81]

@magento-engcom-team give me 2.2.6 instance

[magento-engcom-team]

Hi @Cristiano81. Thank you for your request. I'm working on Magento 2.2.6 instance for you

[magento-engcom-team]

Hi @Cristiano81, here is your Magento instance.
Admin access: https://i-18183-2-2-6.engcom.dev.magento.com/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[Cristiano81]

yes i can reproduce the issue on vanilla magento

[Cristiano81]

This maybe be usefull, when i try to apply the coupon code, i received this error on chrome console:
jquery.js:10254 PUT https://i-18183-2-2-6.engcom.dev.magento.com/rest/default/V1/guest-carts/BWM5XQCXhnzdxK9njKSP2cL611NFTmcG/coupons/TEST2018 404 (Not Found)
send @ jquery.js:10254
ajax @ jquery.js:9738
put @ storage.js:62
(anonymous) @ set-coupon-code.js:33
apply @ discount.js:41
(anonymous) @ knockout.js:3863
dispatch @ jquery.js:5226
elemData.handle @ jquery.js:4878

[kunj1988]

@Cristiano81, I have tried with vanilla Magento 2.2.6 and it is working for me, Please provide more details.

[Cristiano81]

@magento-engcom-team give me 2.2.6 instance

[magento-engcom-team]

Hi @Cristiano81. Thank you for your request. I'm working on Magento 2.2.6 instance for you

[magento-engcom-team]

Hi @Cristiano81, here is your Magento instance.
Admin access: https://i-18183-2-2-6.engcom.dev.magento.com/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[Cristiano81]

@kunj1988 thank you,
i just created a test product with price 100$

after that i created a new coupon with this attribute:

after i add the test product in cart and try to apply the coupon discount, this is the result:

maybe you can tell me your coupon configuration if it works

[hostep]

@Cristiano81 : the coupon codes in your screenshot don't match: TEST20118 vs TEST2018, please make sure they are the same ;)

[Cristiano81]

ops you are right :P but even if they are the same it doesn't work,
please try on the active vanilla magento