Kind of, it was a steam cloud issue, (even though I have always have all have turned off) so your friend's post pointed me in he right direction, thanks again! :D

Looks like it worked :)

Thank you, helpful as always, I'll give it a look!

Personally no, but I know a lot off other ppl have this problem, including a friend of mine who actually found a workaround. Here's the reddit-post where he described what he did:

https://www.reddit.com/r/spaceengineers/comments/g6huo4/cant_publish_blueprints_as_long_it_has_a_thumbnail/

Hope this helps.

Kind of xD

Its just a construction/salvage ship that can clear a path to its job.

By the way, have you been having any trouble with thumbnails? I can't upload anything with even the default thumbnail, it has o be deleted to work.

Hiruda: "What is my purpose?"
Engineer: "Yes."