"Entrance pupil cannot be located at object. Check object thickness and stop location!"  3mWo`l  
This error occurs when the distance between the object surface and the entrance pupil is zero. These two planes cannot be at the same place. a
U^>kRGc  
這個要如何設置

This error occurs when the distance between the object surface and the entrance pupil is zero. These two planes cannot be at the same place.