@acer 

Alright, there was an image in there, I am so confused why that messed the whole document up though. I guess I'll just save a whole lot of backups from now on. But this is better then nothing, thanks again for the help.

@acer 

Thanks so much for the help! The second half of the document is gone, sadly, but I guess there is no way of retrieving that?

I am trying to run this command, which was postet befroe, but I do not know, where to paste in the string of the file location, can someone help me with that?