Ground Control Point collection with ENVI 5 Classic

[@yakelinesubia9468]

We perform pre-processing of satellite images using ENVI 4.8 for georeferenced and orthorectified satellite images have a group of control points in PTS format containing data location and elevation, entering this data I get an error message as shown in the image. Someone can tell me What lack I yet enter data? To run normally. I thank you in advance their masters contributions experts.