Cheers, please don't laugh to my stupidity. I need some extra space on my SSD and firstly checked what takes the most of the space. Almost at the top were files under Ethereum Chaindata. I stupidly went in and deleted most off them...as I thought they were history, which don't really matter. Well, I can't sync my Wallet anymore. Please help. Thanks a lot.
Just delete the
chaindata, and do a sync again, this time with the
--fast option. It will use less space.
EDIT: And please, make a backup of the
keystore! As a fellow poster wrote above!