[2020] Before CCP removed the use of PLEX to transfer the character, I bought a character, but now the character has not been transferred successfully, and ISK has not been returned, it has been five days, why?

Hello!
This sounds like an EVE Online game related problem to us. If that is the case, we recommend you submit a ticket via official website (https://support.eveonline.com/hc/en-us/requests/new).
We sincerely apologize for any inconvenience this may have caused. Fly safe!