I made a starter with WPL001, 1150ml water + 115g DME, boiled it down to 1L after 10 minutes, hit 1.039 and put it on the stir plate overnight at low-medium speed. This morning I noticed what I thought was a slight overflow on the side of the flask ended up being a thick, gooey sludge underneath the flask. Is it safe to assume that what spilled was the crux of that starter, i.e. the yeast, and that I'll need to start over?