关于Shader报错 invalid input semantic 'POSITION'问题

关于Shader error in ‘CustomVR/TransitionEffect’: invalid input semantic ‘POSITION’: Legal indices are in [1,15] invalid ps_3_0 input semantic ‘POSITION’ at line 32 (on d3d9)的问题,求各位大佬们帮忙解决

关于Shader报错 invalid input semantic 'POSITION'问题