Cannot redeem Galaxy Store promotion

[RickGrindskin]

I've been trying to redeem the 50% promotion offered through the Galaxy Store. I'm being presented with an error code and message shown in the attached photo (GCF4015) and have been struggling to find a solution. I have already tried clearing the cache and data for the Galaxy Store, with no results. Any advice is appreciated. 

My device (Samsung Galaxy S9 FE tablet) is relatively new and has not been tampered with, only official apps downloaded.

[Samsung_Moderator]

By chance have you claimed the promotion in the Galaxy Store on another device, under the same account?

We recommend opening the Settings in the Galaxy Store and selecting Contact Us at the bottom. This will bring you to a section where you can submit an error report directly to Samsung and provide the data logs to the developers.

[RickGrindskin]

I don't own any other device that uses the Galaxy Store, or this account. I've followed up with support and they gave me a phone number to try so hopefully I'll get somewhere there.

[Samsung_Moderator]

Please follow up and let us know how it goes.

[userra]

I didn't purchase anything yet, so it may not work for me. If you want my code, you can have it. It does say only 1 coupon code per account, so it may not be best. I'm not sure if it's allowed, but I will exercise caution and not share. I had fast response texting support before, maybe that will speed up things in your favor to remedy the issue.

[Samsung_Moderator]

Hello RickGrindskin, Welcome to the Community. We understand how disappointing it is to not be able to take advantage of a great promotion.

Have you checked to see if there is an update for the Galaxy Store?

Open the Galaxy Store app

Tap on Menu and select the Settings icon in the top corner

Scroll down and tap About Galaxy Store

Let us know which app version you have.

[RickGrindskin]

It states I'm on the latest version, which is (according to it) 4.5.81.7
Screenshot: