[Recipe] Added error messages for SDL malformed dependency name.
[Recipe] Added error messages for SDL malformed dependency name.

jeanbaptistelab/dub,xentec/dub,Geod24/dub,Flamaros/dub,gedaiu/dub,rjframe/dub,D-Programming-Language/dub,grogancolin/dub,jelmansouri/dub,p0nce/dub