The result of an AS compilation has been written to a file, but the source file was modified and not saved. This inconsistent situation may be the source of future problems.
You asked to compile an AS specification that was not yet type-checked. Type check your specification first, and then compile it.
The name of an AS file must correspond to the name of the formalism defined in it to allow auto-loading of generated files.
The file X has been written on your file system.