Suggestion: Need error message to explain lack of transcending.

I was trying to transcend from level 13 to level 14, but nothing happened. I did some digging and found nothing here on Reddit, but the wiki finally showed me that the reason it wasn't happening was (apparently) because I don't have sufficient Apocrypha % to buy the next level.

Would it be possible to show an error message indicating the remaining % needed to purchase the next level?