Thanks so much diamondq! Pity I already cheated and unlock the technologies to get past that spot. Hope your workaround will help others that get stuck at this point.

so i have been playing this mod pack but i seem to have run into a rather bad spot .... i am trying to make purple science pack 4 but in order to do that i need M-A2(unicomp) to create the Quantrinum and i need purple science pack 4 research to be able to make the M-A2(unicomp) so basically i am st...