Buildcraft version: 7.99.12
Forge version: 14.23.1.2555
Link to crashreport or log (on pastebin or gist, please don't put the entire log here) :
Singleplayer/multiplayer: Singleplayer
crash-2017-11-23_05.38.22-client.txt

Additional information:There is a bug with the heat exchanger, when you break the game it crashes and in crash report it says: missing particles, please solve it because I put it in my survival world

duplicate of #3874 , already fixed in dev