"An error has occurred. Please try again later." This message appears when I try to create a new version of my game on App Store Connect with the plus icon. Safari's console show me that in the logger: "API Response Error: NEW_PLATFORM_OR_VERSION_RESPONSE" What does it mean?

Hi, I'm newbie on Swift code, in one of my projects there is WebKit, I need to handle File Download on websites, how can I do this? Thank you for the support.