Copy-paste fix pattern
compile exe input.cbp bin/app.exe small computeWhy it happens
The .cba, .exe overlay, .dll package, .cbl, or CBVM payload is malformed or unsupported.
How to fix it
Rebuild from Studio and do not edit compiled artifacts.
Runtime and Studio now show this kind of page from the error dialog: plain message first, stable code second, original details third.