No game file loaded. Either add one in your Profile if you have an account, or attach it to the url with the gameUrl modifier, such as modular.tabletopadmiral.com?gameUrl=linktoajsonfile.json. Note, data providers have been instructed to add 'v2' to their file names, so if your usual file contained 'data.json', try changing it to 'datav2.json' in your URL.
Alternatively, you can upload a .json file below