Thank you, I attached the file.
Also, this is not just my problem.
https://youtu.be/Ytf4dtG_pCA
First, I tried to follow the same procedure as in the video above to make the prize money change and it did not work.
The difference with the video is the FM 2.0 update. I asked the creator of the video if it was just me and he said he also gets the same error message after the 2.0 update.
1.fmf