Cleanup the error message for unsupported nodes.
Cleanup the error message for unsupported nodes.

uujava/mirah,aspleenic/mirah,mirah/mirah,mirah/mirah,aspleenic/mirah,uujava/mirah,mirah/mirah,aspleenic/mirah,felixvf/mirah,KeenS/mirah,KeenS/mirah,felixvf/mirah,uujava/mirah,uujava/mirah,felixvf/mirah,KeenS/mirah,aspleenic/mirah,mirah/mirah,KeenS/mirah,aspleenic/mirah,felixvf/mirah,uujava/mirah