He contacted you specifically about that game, he tried it out and it didnt work, you tried it out and you had the same error. 
Refund him within 12 hours.

But We're Seller s We Refund Only In First 5-Min after Bought

We Can't Help Those Who Got Problem after 5/30 Min of Payment, but this guy asking For Refund after a week, he also got REFUND from the other seller and told him FF14 Isn't working, he buys the account and get REFUND, looks liek he's doing this all the time, Contacting Sellers for account then Pays Him and then Want Refund after a day, he's Playing games

"Which Tutorial i sent you exept PSN logging tutorial?"

 

I expected this tutorial to show me how I'd be able to play Black Desert, since you replied to my message talking about license locking: https://prnt.sc/snmeop

(this screenshot was from before he sent me the tutorial)

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"the game isn't working that's not my problem, i have many customers that buys the game and if it didn't worked for them or the game had any issue they doesn't bother me"

 

It literally is your problem, and I don't care if other customers don't mind being scammed, I do.

The Screenshot u shared, its cropped share the full message, it's account tutorial not game

hahah 500 members and they don't care abt being scammed,

they buy from me accounts every day as well as other stuff, still they don't care abt being scammed such a small brain u have

Also please tell your friend to stop harassing me in hindi lol

They are some other members you know what to do with them that's not my problem

Which Tutorial i sent you exept PSN logging tutorial?

Dude i have More then 500 Customers all are SATISFIED but idk what's ur problem, the game isn't working that's not my problem, i have many customers that buys the game and if it didn't worked for them or the game had any issue they doesn't bother me like you wasted my time during EID, never saw someone like u before, if i knew ur like this i'd firstly Block you in My Telegram