Everything worked 100%, added Refined Exchange 2.1.0 and loaded world: no problems.
Crafter a single EMC liquifier and EMC Crafter: no problems.
Taught then to the ProjectE table and got a stack of crafters: no problems.
Placed the EMC liquifier in the world next to RS controller: no problems.
Connected a cable to it, no problems:
Placed an EMC crafter next to that cable: MC hangs up. No errors, no crashes, just hang.
Killed process, started modpack again. Modpack starts fine, but when loading the world, MC hangs at "Building Terrain" and goes to "Not Responding" state.
Refined Exchange: 2.1.0 Refined Storage: 1.6.12 ProjectE: 1.3.2h Minecraft: 1.12.2 Forge: 14.23.5.2796
(FTB Direwolf20 modpack, with modifications)
Everything worked 100%, added Refined Exchange 2.1.0 and loaded world: no problems. Crafter a single EMC liquifier and EMC Crafter: no problems. Taught then to the ProjectE table and got a stack of crafters: no problems. Placed the EMC liquifier in the world next to RS controller: no problems. Connected a cable to it, no problems: Placed an EMC crafter next to that cable: MC hangs up. No errors, no crashes, just hang. Killed process, started modpack again. Modpack starts fine, but when loading the world, MC hangs at "Building Terrain" and goes to "Not Responding" state.