Rf to mj so there not are a problem white the most mods mj are dead now com on make rf its better for the mod

BuildCraft version: 7,99,17
Forge version: forge-14.23.4.2709
Link to crash report or log:
Singleplayer or multiplayer: singleplayer/multiplayer

MJ (in it's current iteration) is new, and still in alpha status. In the future it should be more interesting and actually separated.

For now you can use a converter mod to get RF <-> MJ.