use a reliable error for hasSourceURL
use a reliable error for hasSourceURL

@rev cpatino@

madmax983/aura,madmax983/aura,forcedotcom/aura,madmax983/aura,forcedotcom/aura,forcedotcom/aura,forcedotcom/aura,madmax983/aura,madmax983/aura,madmax983/aura,forcedotcom/aura