Whenever I create a new sandbox league, I'm trying to import my own custom players. However, each time I do it, approximately 1,000 of the 3,500 players are not imported. I've gone into the csv files to check for any errors, but both players that are imported and those with whom I am having issues imported show no differences.
I've tried troubleshooting myself for the past week with little success. I did find out that importing again after the creation of the league will import the missing players successfully. However, this causes another problem; after saving the league, when I try to load it up, it gives and indexing error.
Do you have any ideas what could be causing this issue?