Routing Problems/New to SolidWorks

Hello guys, I am looking for your sincerly help, I am kind new to Solidworks and I just got ma self into trouble"".

1) I downloaded the library but when I am dropping in flanges and stuffs are not generating any routes, I mean I am confused now coz

      like I am watching tutorials on youtube, them folks are getting it right but mine doesnt want. What must I do?

Thanks!!!!!!!!

SolidworksRouting