Hey I have a problem, if this has been solved please let me know. I want to use some OPT engines in space but when I equip Hydrolox, it has LH2 and Oxidiser, instead of LH2 and Liquid Oxygen, meaning I cannot use engines in space. Is this supposed to happen because I cannot find liquid oxygen anywhere, however I have found it digging through config files. How do I find Liquid oxygen or fix this issue? Im on KSP v1.12.5