You can get back there, though I'm not sure specifically how as I haven't made a Cadena. I could be wrong but you can walk back there if the beginner teleport skill doesn't work (the one most new classes have to return to their homeworld/planet/place).
You don't need to remake.
Try using the guide button to teleport to chuchu island, if it takes you to the main town, take the right middle portal and an npc named simia should be there if you took the right one, ignore her and go to the portal on the right again and talk to the giant stone named Muto. He should give you...
Check under recent purchases if the transaction is there. If it is, submit a missing dp ticket beside it. If it isn't, message Elyx (server admin) on discord, he's the one who handles the donations stuff.