I noticed that the author uses the 2023 version of the program.
So I went to check this parameter on different versions of the program.
It turned out that in versions 2024 and 2025 the maximum value is 250.
And in version 2022 there seems to be no limit at all.
You can see this in the attached video.
So I think the reason is in the version of the program.
Apparently, the developers decided to limit the value.