Have you tried relogging, or even restarting the game?
Does this affect all crash sites, just one, or some of them - if so, which one(s).
How long has this been affecting you?
Is this in your own world, or are you logged into someone else's world?
If it's your own world, is someone else logged into your world?
When posting a bug report, please ensure that you include as much info about the problem as you possibly can, otherwise it's just going to get ignored...