An undefined macro parameter was encountered in a '%@(...)' format.
          #2094   Compile-time error
          An undefined macro parameter was encountered in a '%@(...)' format.
Additional Information
 The parameter is 'X'.
Recovery
Compilation continues but no compiled source code file will be saved.
Explanation
Only parameters that name an arg parameter or a
token parameter may appear inside a '%@(...)' format item.