help vab glitch! ships's parts are not attached just floating

[subatenome]

i dont know what i did, i was just messing around with some fuel tanks when suddenly vab started acting all weird and i was stupid enough to try every possible command in vab including save and it did save, now my space shuttle is completely messed up nothing is correctly attached if i remove a piece that i had other pieces attached to it these pieces remain on place even floating as if they were all independent from each other, i don't know how to explain this, im uploading my ship so you guys can have a look, the weirdest thing about this is that you cant launch the space shuttle and the reason why well at least what the game keeps telling me is that the ship doesn't have any weight at all then you look on top of the screen and the name of the ship gets renamed by untitled spacecraft or whatever default name for unnamed ships ksp has

https://www.dropbox.com/s/ktmoo8mi6z0xiim/Discovery%20NGX.craft?dl=0

i just updated to 1.0, i personally don't think this glitch is related to any of the mods that i have but im still listing them off, most of these mods are not compatible with the newest version of ksp meaning that (i assume) they get disabled

mechjeb

remotetech (never worked, not even on past versions)

kerbaljointreinforcement

throttlecontrolledavionics

i havent tried to open my ship without any mods because i don't know how to uninstall them, anyhow my ship only had 1 modded part which is present in most of my ships, its the mechjeb little thingy and thats it, every other single vessel that i load is completely fine.

help please i worked so hard on this space shuttle and now i fear that its all lost