Copy-paste fix pattern
library CB-Math
fn main() {
u256 alpha = CB-Math.clamp(user_alpha, 0, 255)
save alpha
}Why it happens
A number, dimension, color, memory cap, shift amount, or index exceeded the supported range.
How to fix it
Clamp the value before passing it to the function that enforces the range.
Runtime and Studio now show this kind of page from the error dialog: plain message first, stable code second, original details third.