Flyout menu panel keeps dissapearing within 1 sec

I recently bought ipad pro 11 2021.

adobe illustrator is upto date.

when ever I open an fly out menus, they dissapear within 1 sec.

they stay on if I keep holding the button, but as soon as I lift the finger pufff, they are gone. 

Even with this I can try to select the options from 1st level of fly out menu, but not the second level options. like selecting a color is fine, but cant change the brightness. 

its really frustrating. please help