I’m also having this problem. I know what the banner is and what it means (I’m on level 8469) the problem is that the banner stays on screen and covers the top left corner - it does not go away. Any chance of fixing it?
I fear that you may have shot yourselves in the foot dear King!!!! Who in their right mind would pay money for boosters when they have no control over where those boosters may be placed. E.g. What good does it do to use a coconut wheel only to have it placed in some unusable spot - if you back out you lose a life and a…