ZSZC fuzing has failed problem

[xdeiviukasx]

I have problem i put destroyer rondo in alchemy slot than put item whith blue and press fuse and i get message fuzing has failed why?

[Medically Insane]

Do you have enough Space in Inventory?
Do you have enough Destroyer Rondo to destroy the item?

[xdeiviukasx]

i have 5000 destroy rondo empty inventory