I am working on a Harry Potter unicorn cake and the rosettes are falling off the back of the cake! It’s practically finished and I don’t know how to keep it from happening. 

Thanks in advance!

Duplicate post:    https://www.cakecentral.com/forum/t/847208/help-how-do-i-salvage-this-1

Was the base bc crusted before you piped on the rosettes?  That's the problem.  Work wet on wet.