Error Code 4b538e50 just means your game is not updated Ahead of NBA 2K21 MT anticipated release next month, 2K and developer Visual Concepts declared NBA 2K21 is going to receive a demo for current-gen consoles following week. Even though the title is also slated to come on PC and Google Stadia in September, the demo will only be accessible for PlayStation 4, Xbox 1, and Nintendo Switch. The names are also expected to arrive on next-gen consoles...