Copy-paste fix pattern
library CB-Math
library CB-Storage
fn main() {
save CB-Math.max(10, 20)
}Why it happens
A library declaration names a library that is not shipped, compiled, or installed in the active library path.
How to fix it
Use a shipped CB-Name library, compile a .cbl, or install the library before building.
Runtime and Studio now show this kind of page from the error dialog: plain message first, stable code second, original details third.