This. It happens less frequently now, but it still happens, so whatever patch they did, it wasn't fully working, so they better do another maintenance soon.
Thank you for contacting Yu-Gi-Oh! Duel Links support.
We are sorry to hear the invconvenience you have experienced.
Concerning your query, it might be possible that the download did not succeed completely. Please kindly re-download the data from "Data Redownload".
To re-download the data.
Then redownload again and again then contact us again we will tell you the same thing again.
Anoymous
Your_Konami_Rep
