ADS原理图防真不了

各位大神，我用ADS仿真高频天线，放到原理图中就会提示错误，求大神帮忙
(stdcmds.ael line 230, column 5)
Failed to create netlist:
In design `PET_lib:nail-5:schematic':
The instance `I__4' has 2 pins, but the view `PET_lib:nail-5:schematic' has 0 pins.

原理图中是不能仿真天线的，要在版图中仿真