Unable to load local worlds

[TheQwantomLeaper]

several other people have already made posts about this but mine hasnt been solved by their fixes. i try to load my private world (which worked fine last night) but to no avail any help would be much appreciated.

 

[KaRe]

From what I could guess, it was a problem with the blueprints or custom factions. However, there are a bunch of references to things I have no knowledge about, so I could be wrong.