The buyer does not answer me, what should I do?

Hello!I am writing to you because my buyer opened a dispute and did not answer my messages for 7+ days. I gave him absolutely working code, which he could not activate on his platform (STEAM), but in the product description I indicated on which platforms the code can be used (dmm and! My code works as indicated in the description. Please contact the buyer so that he cancels the dispute. Thank you.

I tried to write in those support, but I do not give up more than 7 days.

My profile:
Bayer profile:
Trasaction ID:f60ba1df-5345-4893-890f-dcc9e223ad19
My inv TYBA6X

Pls help me resolve this.:roll_eyes: