Restoring files with CrashPlan has errors, what does it mean?

Question

I'm restoring some files with CrashPlan... well, lot's of files, and it registered some errors. Do you know what they are exactly? Files that couldn't be restored and are lost forever or just a retry?

This is what I see as the error count:

but the history only shows this:

Update: I had to remove the restored directory and re-start, I'm getting errors again.