Importing files (transaction records) from xCoins

Describe the problem:
Unable to upload the files from xCoins. The fields also don’t seem to be compatible

Which exchange/wallet is this regarding?
https://xcoins.io

How did you import data into this wallet?
Unable to upload anything. The upload icon keeps spinning without any confirmation. Basically, I am stuck.

What have you tried to fix this so far?

Requested support but no response.