According to information from a volunteer, the “Contract Starting Error” in Japan
The problem was resolved in the update of Jun/07/2025.
Thank you very much.
Summary
Japanese purchasers of the Switch2 version of HITMANWoA are experiencing a “Contract Start Error” and can only play the prologue.
I wanted to check it out too, but unfortunately I could not get the device.
https://x.com/Techd4nce/status/1930683714142691517
https://x.com/tanukiusasasa/status/1930787381294375281
https://x.com/se_ta06/status/1930811343747293279
https://x.com/asahiromasai/status/1930943354574884883
https://x.com/morisyun/status/1930979541159412002