My 12 months old baby just suddenly refused to eat solids. We tried to let him self feed and different textures of food but he would not even open his mouth. Any suggestions please?

Yes he is teething .. btw what solids do you commonly cook ..I have seen that if its not as mushy, he's willing to put it in his mouth so sometimes I steam his veg soft enough to gum, but not so soft til its mush