Crash report: http://laravel.io/bin/52jwG (because pastebin is went down at current time)
Botania b231

What the actual hell did you do to acomplish this?

This crash report does not show problematic block or chunk, but similar crash with SOE give coords, when entering to problematic chunk - client FPS is less than 5-10 and server will be crashed.
Screenshot: http://take.ms/pkNbx

Same gist as #1542