I made my first chocolate cake - I have layered it with chocolate ganache (again another first) and covered it with ganache. I chilled it as usual and then covered it in white fondant. Normally I would leave the fondant to set overnight before I start decorating it but unfortunately I am up againt a tight deadline so I started covering it in green fondant stems - I used a little water to stick the green fondant to the cake. When I woke up this morning I found that a syrup like liquid had leaked out of the bottom of the cake. The cake itself is fine and it hasn't affected the fondant in anyway but I would like to ask the cc community if you have any ideas what could've happened - perhaps I used to much water to stick the green fondant? I look forward to hearing your thoughts.

what color was the syrup? Without knowing that, it is hard to tell.

Before you applied the fondant to the ganache did you brush it with simple syrup to adhere the fondant?

I would guess its the ganach filling thats leaking. When I use a ganach filling I make a chocolate icing ring/dam and then fill it with ganach.

I'd bet it was that your chocolate cake was so moist. What recipe did you use? I made a 3D turtle once using DH devil's food undoctored, and it did exactly the same thing.

Mine was covered in bc and filled with bc.