You have 46 spread out on all your chars, meaning one of your chars got a fragment your main with 42 did not get yet.
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Hello, yes I have tried this before in the past because I knew that I have got some on my hunter so I decide to get them all on my Titan and still it says I have 42, I even opened some of the chests ( E.G chest of maggots ) and yet still no calcified fragments