Seemingly the seller was tipped off that the bottle cage may be of value, so they have taken it off the bike "because it was cracked"
I would have asked them to cancel off my bid, but someone has outbid me now, so no need to bother.
Get really annoyed with sellers doing things like this - finally managed to find a replacement for my brother-in-laws bike that he had stolen, then after it sold for the opening bid the seller said he had discovered the rear wheel was buckled as he was packaging it up, so could no longer sell it.