Today NBA 2K20 has been released, but unfortunately there seem to be some problems causing the error codes A388169e and 512f0500.
These errors can be related to the Triple Threat mode, this has now been confirmed by 2K with the following message:
Triple Threat mode is currently offline for development updates. We are working hard to bring this mode back online as soon as possible. Thank you for your patience.
NBA 2K20 released on September 6 for PS4, PC, Switch and Xbox One. If you're interested in the trophies and achievements, here's a guide.