Variable '{0}' has not been declared. Assuming this is a FIELD or a MEMVAR.
This error message may occur if you are compiling with the -undeclared commandline option.
For example in the following code
// Compile in VO dialect with -memvar and -undeclared and use the X# runtime
FUNCTION Start as VOID
PUBLIC Name
Name := "Bill"
Test()
RETURN
FUNCTION Test()
? Name // <-- Warning XS9073 here
RETURN TRUE