Verse 26

26. The mind does not contact the object, and similarly indeed not the object appearance. And because the object again is non existent, the object appearance is not different from it.

The unreality of entities or objects has been demonstrates earlier, a clay pot is really earth, a piece of cloth is really made of yarn, the yarn is really made of fibres, the fibres are parts of plants, the plants grow from the soil and so forth.
What also needs to be understood is that Consciousness which is the substratum of existence, the medium through which evidence and knowledge are perceived, the one witness of being as it were, this Consciousness does not actually directly contact entities. Consciousness lights the mind which reports perceptions and entities. Further, the mind itself does not contact those same entities or objects.
It has been clearly demonstrated in earlier verses of this Karika that objects perceived in the three apparent states of consciousness and mind are ultimately lacking in reality, all perceived phenomena is unreal it has been shown. This is true for the appearance of phenomena also, because appearance involves the object of light reflected from the object of material, a clay pot etc. Both the light and the pot are unreal. The light is energy from the sun, the sun is energy released from heat, heat results from nuclear reaction and so forth.