hey, it me bob

as the title says, im having a touch of trouble when it comes to the different part variations of either cargo (fuel, ore, modded resources.) or skins. the different aesthetics of the parts arent so big of an issue for me, its just i think the two issues are related and im hoping i could get some help with it. the mods that are giving me the trouble (i think, there may be more) are stock like station parts redux, near future exploration and near future launch vehicles. im playing on ksp 1.12 and have gotten the latest versions of each of the mods. i downloaded and installed all the mods manually and im generally inexperienced when it comes to modding. any ideas? please and thank you.

just like the title says, the parts i downloaded keep flashing red and wont attach to anything. will occasionally get stuck to the mouse and ill have to reset the VAB in game. the three mods giving me the most trouble are near/far future propulsion and near future electrical, its only half the parts from each mod, the other ones work as intended. i keep accidentally fixing it but after i log of and back on it goes back to flashing red and i cant place the parts. any ideas please and thank you?

as i said in the title, ksp can load all the parts and expansions with little issue. for some reason my ksp seems to stop after the yellow bar is loaded 100% then the screen changes with no problems. im not sure what the second loading screen is called, but its the one with kerbin eve and jool all orbiting anround the sun with the word loading beside it. im not sure what the issue is, if anyone has any ideas please feel free (the issue was outdated/conflicting mods, still unsure as to why it loaded to the second screen but stayed there for 30+ minutes)