There are just some days when things unexpectedly crash, and you have no clue why. This time I installed a brand new DNN 05.01.02 and could not save the Site Settings. The message: “language cannot be null” was clear enough. But when I went down the languages dropdown … it was empty. Seconds later I was in my SQL Mgt Studio trying to figure out if it was related to data, and it sure was. Here is a fix.