While making a purchase from the mobile app on OLX, an error occurred that says nothing about its cause.
Під час обробки транзакції сталася помилка (OLX)
I tried to repeat the purchase from a computer and received a message that at least says something. In your case, it might be a different error. But the fact is - we see more info from the computer than from the mobile app.
Monthly purchases count of root category "Електроніка" exceeded
Error message:
Monthly purchases count of root category "Electronics" exceeded
And the most interesting and not very obvious thing is that the buyer has limits on making purchases in categories. I have already made seven purchases in the "Electronics" section (OLX delivery) and now the eighth one does not go through.
What to do about this is not very clear. OLX documentation talks about limits and purchasing additional slots only for sellers.
So currently, to solve a similar problem when needing to buy many items in one category: