Host unable to screenshare

I scheduled the zoom meeting and according to the participants, I was the host. However, when I tried to screen share, I was prevented as I "was not the host." I had no shield icon to allow others to screen share. One participant had the shield, but she was prevented from screen sharing as well. NO ONE AT THE MEETING COULD SCREEN SHARE. I could not enable another host. Is there any way to resolve this during the meeting?